Plant Care Products

Potassium sulfate fertilizer: description, application in the garden

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I use potassium sulphate to feed fruit trees. Fertilizer has many advantages: it is relatively harmless, non-toxic and non-flammable. Thanks to potassium sulfate, my plants tolerate winter better, some of them don't even have to be mulched. In this article I will tell you how to properly use chemical fertilizer.

Potassium Sulfate Description

If the plant reacts poorly to chlorine, it is fertilized with potassium sulfate. A highly concentrated solution (or crystalline powder) is used to feed greenhouse crops, as well as those that grow in open ground. Potassium sulfate is a universal fertilizer. It is often used for plant nutrition during the growing season. This tool enriches the composition of the soil, making it soft, loose and more fertile.

Potassium sulfate contains sulfuric acid, a small amount of calcium, sodium, iron oxide and sulfur. It dissolves in water, but does not interact with ethanol. The crystalline powder is not suitable for human consumption, however, it has been established that it has a salty taste. Potassium sulphate - small crystals of white-yellow color. It is often used as a fertilizer, as it improves the taste of fruits. If to moderately bring means, garden cultures will grow better.

Read more about the benefits.

Crystalline powder is used to feed fruit plants. It nourishes fruits and vegetables with sugars, trace elements, vitamins. Thanks to this tool, shrubs and fruit trees tolerate winter better. The versatility of fertilizer lies in the fact that it is used on different types of soil.

Potassium sulfate interacts well with drugs containing nitrogen and phosphorus. I note that it is ideal for acidic soil. The amount of fertilizer and the frequency of application depends on the type of cultivated plant. Potassium sulphate is necessary for trees and shrubs that grow in sod-podzolic soil. If you have black soil, you can also use this tool.

Sunflowers, beets and plants with roots, will deplete the fertile soil, because they draw a lot of potassium. Crystalline powder compensates for the lack of this trace element in the soil. Potassium sulphate is fed by indoor plants. It is not poisonous, but when using it is necessary to strictly observe the dosage. If the plant has received fertilizer above the norm, it forms a poor-quality fruit.

Application of a universal remedy

Potassium sulfate is used in the spring and autumn, it is introduced under the digging of the soil to the depth of the spade bayonet. The crystalline powder is applied in different ways. It is used when digging the soil or combined with irrigation. In the second case, a small amount of sulfate is dissolved in water and added under the root. Dosages depend on the type and age of the plant.

The tool can be used for spraying fruit crops. Potatoes and grapes do not tolerate chlorine, but respond well to potassium sulphate. Light crystalline powder is ideal for fruit plants. They are fertilized:

Potassium sulfate improves the taste of cabbage. When using this tool you should always remember that it is better to underfeed than to overfeed the plant. You will see results from the use of the product in a few days. The culture begins to grow and later forms succulent fruits.

If you use the powder to feed fruit trees, they will be more resistant to frost. I advise you to apply fertilizer before you plant the plant. And on one adult tree spend no more than 230 g of funds, the dosage for widowed shrubs is less. As I said, potassium sulfate improves the quality of vegetables. It is often used for feeding:

If you make a tool when planting seedlings, they will not stretch. After a while you will harvest a crop of vitamin fruits!

Dosages for different types of plants

Potassium sulfate for tomatoes and cucumbers contribute to the digging of the soil, using 20 g of funds per 1 square. m. Beetroot and carrot, too, need this fertilizer. In this case, spend 27 g per 1 square. m. Potassium sulphate can be used to feed herbs, such as parsley. I spend 25 grams per 1 square. m. Crystal powder compensates for the lack of potassium. If the plant lacks this microelement, it gives not very high-quality fruit.

The tool is often used for feeding shrubs. Twenty grams contribute to 1 square. m. under the digging. Berry plants are better to feed up to the growing season. Crystalline powder interacts well with Zircon and Nitroammofosk preparations. Grapes are better to feed when the weather is cloudy. I use a mixture of 15 g of sulfate and 35 g of superphosphate per 1 bucket of water.

A grape bush needs potassium. The use of tools with this trace element is necessary, I recommend to make them every year. I advise you to feed strawberries during the flowering period: make 16 g of money for 5 mini-bushes. Potassium sulfate is often used to feed the roses. In my garden, these flowers grow, I bring the remedy 1 time in 7 days in the amount of 12 g per 2 bushes. When the roses bloom, fertilize them with potassium nitrate.

Precautions, storage

When using any fertilizer, care should be taken. Do not forget that potassium sulfate is a chemical. Before you make it, you need to read the instructions. I advise you to use powder, wearing disposable gloves. Fertilizer particles should not fall on open wounds. It is forbidden to contact him for a long time.

After feeding, wash hands thoroughly with soap and water. Fertilizers stop making 15 days before picking. Potassium sulphate can cause allergies. For this reason, when in contact with it, you must use protective equipment (you can wear a respirator). I recommend storing the fertilizer in tightly closed packaging, protecting it from contact with water.

Fertilizer description

Potassium sulfate is a fertilizer that is obtained from minerals of natural origin - langbeinite and chenite. In appearance, it is a yellowish or white crystals of small size. The potassium content is about 50%, chlorine is absent. Indeed, very often it is chlorine that is bad for plants. Apply fertilizer and for open ground and for greenhouses.

In addition to potassium, the fertilizer contains the following components:

Arsenic is added only in laboratory studies. There are also other components in the composition, but their quantity is so small that it is not taken into account and does not affect cultures.

Basically, this type of fertilizer is used on acidic soils and improves its acid-base balance (pH = 5.5 - 8 units).

Positive properties

If potassium sulfate is used on soils, then such problems can be solved:

  1. In plant cells, you can increase the content of vitamins and sugar, reduce the likelihood of damage to the fruit by the core and gray mold, as well as increase plant resistance to diseases.
  2. For perennials, this substance helps ensure viability after the winter cold. Feeding of shrubs and trees in the fall is well affected (they will be able to endure the most severe colds).
  3. Good for plants that are highly sensitive to chlorine. The chemical increases the yield of cruciferous plants (radishes, cabbage), and you can also use it for citrus fruits, grapes, beans, potatoes.
  4. In plant cells, it promotes fluid circulation, thereby ensuring the rapid and even distribution of nutrients. As a result, the condition of the green mass is good and the root system develops correctly.
  5. A positive influence on the formation of shoots and crop growth has the introduction of liquid potassium sulfate.

The main signs of excess and lack of potassium sulfate

Lack of potassium sulfate is determined by the following features:

  1. The tops or edges of the leaves of the plant turn yellow, appear "rusty" and fade.
  2. The formation of stepsons is activated.
  3. The color of the lower foliage changes, color and brightness are lost, chlorotic spots appear.
  4. Lost elasticity of the stem and shoots, they are subject to damage and fragility.
  5. Plant growth slows down and yields deteriorate.
  6. In shrubs and trees there is a decrease in the size of foliage.
  7. The fruit will deteriorate taste.

The following indicators will tell about the excess of potassium sulfate:

  1. In young leaves, the thickness will be less than the norm, there is interstitial chlorosis.
  2. The upper part of the foliage becomes brown or brown, and necrosis affects the shoots.
  3. The length of the internodes decreases.
  4. The leaves and lower shoots darken, gradually twisting and turning brown.
  5. The root system is damaged, the root tips die.

Use of potassium sulfate on various types of soil

The type of soil affects the term of fertilizer application, as well as the general condition of the plants and the planted crops. The maximum benefit from this type of fertilizer is observed on peat soils, and the minimum - in loams. And all because of the fact that the main component is difficult to penetrate deep into the ground.

This is the effect of this fertilizer on the ground:

  1. Peat, red earth, floodplain, sandy - accelerating the development of the main systems and plant growth, increasing yields.
  2. Loam, chernozem - a beneficial effect on the growth of crops subject to good humidity. But you need to carefully calculate the schedule and proportions of fertilizer.
  3. Salts - the substance for this type of soil does not apply. This is due to the fact that in the ground and so many different salts.
  4. Limy - badly needs this chemical.

Basically, the reserves of this substance are replenished in areas with peat and podzolic soils. They lack the most nutrients.

Potassium sulfate is brought to Chernozem in those parts of the site where crops are planted which, during the growth period, spend the maximum amount of potassium and sodium: fruit seedlings, sunflower, beet. Fertilizer is added to the acidic soil along with lime.

When is it best to use fertilizer

The use of this substance can occur at any time of the year. If the land is heavy, it is fed in the fall. It is very important to deliver the substance to the root system of plants, which is why a groove is made in the ground.

On light soils, the chemical is applied in spring. It is entered when digging the ground. Re-plant is fed during the growing season. This allows you to enhance the growth of plants and improve the quality of root crops.

Flowers must be fed at the time of budding and flowering, and shrubs and trees are fed during the fruiting period. This substance is allowed to fertilize and lawn grass.. This is best done in early autumn when preparing for winter.

Application Methods

This fertilizer is used in various forms:

  1. Spraying green mass and plants with a solution of agrochemicals.
  2. The substance is diluted in water, observing the instructions for use. Culture watered the composition. This method is the most effective, since the maximum access of the liquid to the roots of the plant is provided.
  3. Dry matter is poured into the plowed land. This is done in preparation for the winter or before planting crops.

Application features

For humans, potassium sulfate in small doses is not dangerous. But with its increased concentration in the fruit, allergic reactions or digestive problems can occur. If substance use in diluted or dry form, it is possible to ensure its access to the root system of the plant. To do this, remove the layer of earth in the autumn thickness of 10 - 30 centimeters and make feeding.

During the period of growth of cultures they are fed with an aqueous solution of potassium sulfate. It is poured into the hole in the soil: vertical recesses are made around the culture with a stick at an angle of 45 degrees.

Fruit trees are fed during planting, infusing the chemical to the bottom of the hole. In this case, more suitable fertilizer complex (with phosphorus).

In order to enrich the plant with minerals in the middle of summer, a solution of potassium sulphate is used. Since it is easier to penetrate into the ground and acts faster. The mixture is poured into the light soil under the plant root.

Feeding on the sheet is more rational to carry out on loams. To do this, about 10 grams of potassium sulfate is taken per 10 liters of water. Proportions recommended to count in this way., so that the resulting composition to spend completely.

For other purposes and at other times of the year, this substance is applied in a dry form. If the plants are planted in rows, this form is most convenient. In this case, grooves are formed between the rows in which the substance will fall asleep.

Compatibility with other types of fertilizers

Use this chemical wisely.. The following nuances should be considered:

  1. It is necessary to comply with safety measures at the time of fertilizer.
  2. The time between the last feeding and harvesting must be at least 14 days.
  3. The maximum benefit from this fertilizer can be obtained on carbonate soils. Because of this, it is often used for grapes.
  4. It is recommended to combine this substance with lime for top dressing on acid soils.
  5. If you need to make a complex fertilizer, then the mixing of nitrogen minerals and potassium sulfate is made before the substance spreads through the earth layer.
  6. With chalk and urea, potassium sulfate is not simultaneously used.

For the growth and development of plants a good result gives a mixture of phosphorus and potassium sulfate. By mixing these substances in the fall you will get the maximum yield.

Terms of storage of potassium sulfate

Potassium sulfate can be used in large and small vegetable gardens, as well as in vast areas that are intended for commercial purposes. Transporting a substance is very simple. After all, it is not explosive. And it is not combustible, even though it contains sulfur.

The main requirement for storage is protection from water and high humidity, dust and other environmental factors. It is recommended to use the dissolved composition immediately and not to store it for a long time even if the container is hermetically sealed.

Difficulties with the acquisition of this substance also does not occur. Today it is possible to purchase small packaging - 1 kilo per package or, if necessary, several tons. The wholesale price for one kilogram of potassium sulfate ranges from 54 to 420 rubles. This difference in price is due to the content in the salt.

If your garden is not very large, then packages weighing from 0.5 to 5 kilograms will be suitable. The manufacturer offers pure fertilizer or complex (for example, with phosphorus). This composition will help you get not only a good harvest, but also the rapid growth of crops.

Fertilize this substance can be distinguished such crops: potatoes, strawberries, strawberries, fruit trees, grapes, berry bushes, greens, cabbage, roots, cucumbers, tomatoes.

Read on Dacha

Externally, potassium sulphate (K2SO4) is a concentrated, easily dissolvable white powder or granules. The share of potassium in the composition is about 50%.

This dressing does not contain chlorine, which makes its use completely safe. Among the main trace elements contained in the composition, particularly potassium, magnesium and calcium can be noted. The drug has a beneficial effect on the immunity of plants, as a result, they are less likely to get sick and better resist pests.

Among other things, potassium sulfate has a beneficial effect on the taste characteristics of fruits, increasing the proportion of sugars and vitamins in their composition.

It is recommended to apply this fertilizer in the fall primarily on acid soils. The balance Ph after several treatments will gradually shift to the neutral zone. Pre-remove 15-30 cm of topsoil (depending on the crop).

The greatest effect from the use of potassium sulfate is observed in cruciferous crops (cabbage, turnip, radish).

How to make

For each crop in the garden requires a different amount of potassium sulfate. Make a dressing when digging (for vegetable and fruit crops), based on the following indicators (g per 1 m2):

  • cabbage - 25 g,
  • potatoes - 35 g,
  • cucumbers - 15 g,
  • turnip - 25 g,
  • tomatoes - 20 g,
  • berries - 20 g

The second dressing is done as early as next year, in July. This time, a solution based on potassium sulfate is used. On loose sandy soils, it is brought under the root, and already on loams they are processed by foliage (the concentration should be lower).

On 5 liters of water, on average, take 20 g of potassium sulfate. The solution should be used immediately after preparation, it can not be stored.

For top dressing of fruit trees, from 170 to 200 g of the preparation are applied for each stem.

The use of potassium sulfate for geranium, gladioli, peonies and roses will contribute to their longer and abundant blooms.

Home plants

Many indoor cultures respond well to the introduction of potassium sulfate. Among them are anthurium, gerbera, hydrangea, feces, streptocactus and a number of other primarily decorative flowering plants.

Подкормку вносят только в фазе активного роста растений, строго соблюдая дозировки по инструкции. При переизбытке калия у комнатных растений также может снижаться иммунитет, что в конечном итоге приведет к развитию болезней, пожелтению и отмиранию тканей.

Применение сернокислого калия

Формула калия сернокислого (сульфата калия) — K₂SO₄. It is well absorbed by plants, soluble in water, stored for a long time, without caking. It is a white or grayish crystalline powder. According to GOST 4145–74, in addition to potassium sulfate (50%), the powder contains other elements: magnesium — 3%, sulfur — 18%, calcium — 0.4%. The molar mass of K₂SO₄ is 174.2592 g / mol.

In industrial conditions, K₂SO получают is obtained from natural minerals - langbeinite and chenite.

PH (acidity) K₂SO₄ is 5.5−8.0 units, so the fertilizer can be used on acidic soils.

Use for vegetable garden

The use of fertilizer "potassium sulfate" allows you to solve many problems on the site. Guided by the instructions for use of potassium sulfate, it is possible to achieve positive results in a short time:

  1. Increase the level of sugars and vitamins in the flesh of the fruit and green mass.
  2. Increase plant resistance to diseases.
  3. Improve the winter hardiness of plants (in the case of autumn feeding).
  4. The fertilizer does not contain chlorine, therefore it is suitable for feeding potatoes, cabbage, grapes, as well as legumes.
  5. Top dressing, especially with liquid solution, positively influences the development of plants.

Fertilization in the soil

Depending on the type of soil at the site, the state of the plants, the methods of fertilizer application are determined. Use of potassium sulfate fertilizer most useful on peat soils, less on clayey:

  1. Fertilization in sandy and peaty soils (poor in composition) - promotes plant growth. On light soils, K₂SO₄ is recommended to be used in spring during processing. During the period of growth, the plants are fed up again.
  2. When food is added to chernozem and loam with normal soil moisture, potassium promotes crop growth. In such a soil it is useful to make a sunflower, beets, trees.
  3. On acidic soils, the addition of K внесSO₄ is combined with lime.
  4. Heavy soil is better to feed in the fall, trying to close up the fertilizer in the ground.
  5. Potassium fertilizer is usually not used on sodic soils supersaturated with salts.
  6. Flowers fertilize during flowering, and shrubs and trees - during fruiting.
  7. For lawn supplements contribute in the fall in September - October.

Ways to make K₂SO₄

K ₂ SO Пор powder is available in packs of 1 kg or 3 kg. Feeding is carried out in various ways:

  1. Dry powder bring on the processed earth during landing or during preparation for winter. For trees, the powder is poured into a pristvolny circle in a volume of 150–200 g, and buried in the soil.
  2. The powder is diluted in water. (dosage - according to the standards for each plant), the resulting solution is watered. This simple method provides easy nutritional access to the roots.
  3. Surface spraying nutrient solution. Suitable for processing on clay soils using the method of feeding on a sheet. For 10 liters of water you need to take 35−40 g K₄SO₄.
  4. On acidic soils, K₂SO₄ can be combined with lime (for deoxidation).

Processing of certain types of plants

When processing plants be sure to follow the instructions for the application of fertilizer. Top dressing is carried out according to the norms of consumption for different types of plants:

  1. For tomatoes K₂SO₄ make 20 g per 1 square meter. Combination with other fertilizers is allowed.
  2. Cucumbers are processed: first time - before sowing (1 g / m²), second time - 10−14 days after planting (2 g / m²), third time - during flowering period (4 g / m²).
  3. For root crops taken rate - 30 g / m².
  4. For cabbage sprinkle 25−30 g / m² of powder when digging.
  5. For shrubs during flowering period contribute to the soil - 20 g / m².
  6. For root top dressing of grapes - add 20 g of powder per 1 m². The fertilizer is dissolved in 10 liters of water. Fertilizing in this way is carried out annually, since grapes especially need potassium.
  7. For fruit trees, dry powder is poured into the pit during planting or in a near-stem circle in a volume of 200–250 g per tree.
  8. Strawberries and strawberries are fertilized during flowering up to 20g / m².
  9. For potatoes, powder is poured when digging at 30–35 g / m².
  10. Potassium fertilizers are useful for flowers, especially for roses. Add once a week at 15 g / m².

Safety measures when working with fertilizers

Fertilizer is a chemical agent. Therefore it is very important to observe necessary security measures when working with them:

  1. Before use, read the instructions for use and safety precautions.
  2. During work use gloves and a mask in order to avoid getting the solution on the skin.
  3. After work, wash your face and hands with soap and water.
  4. Plant processing is carried out no later than two weeks before harvest.

Potassium sulphate is very important for plants during growth. In addition, using it as a fertilizer in the open field and in the greenhouse, you can increase the resistance to various pests and diseases.

Foreword

Potassium is present in the composition of many fertilizers (mineral). One of them is potassium sulfate (chemical name “potassium sulfate”). This fertilizer is used to feed plants that grow both in closed and open ground. Fifty percent fertilizer is potassium. Using it, the fruits of plants become more resistant to various diseases, the content of vitamins, sugars increases, the period increases storage.

Those plants, the vegetation process which took place normally, that is, they did not have a lack of potassium sulfate, suffer less from various kinds of rot during storage.

Potassium sulfate fertilizer is becoming more and more popular. It is used both in gardens or in gardens, and for indoor plants. And it's not just that. This fertilizer has many qualities that, in turn, have a positive effect on the characteristics of many plants. To purchase it can be in any volume - from a small box to a huge container. Its cost ranges from fifty-four to four hundred rubles per kilogram (if purchased in bulk).

The recommended amount of fertilizer on the plot: five hundred grams or five kilograms. Potassium sulfate can be purchased at any hypermarket or store, aimed at the soda theme. Most often it can be found in the composition of the mixtures. It is best to take potassium sulfate in combination with phosphorus, because these two elements perfectly complement each other, having the most positive effect on plants.

Potassium sulphate, or potassium sulphate in another way, is a white crystalline powder, thanks to which fertility and growth of various plants and cultures are regulated. The accumulation of potassium occurs in the form of ions. According to the formula is written as: K2SO4. This type of fertilizer is best digested by plants.

In addition to potassium, the composition includes: sulfur (about twenty percent), magnesium (three percent) and potassium (half percent). In addition to rapid dissolution in water, it is stored for a long time without being tracked.

Get it from langbeynit and shenit. Crystals of small sizes is an element in its pure form. There is no chlorine in the fertilizer. The element that has a negative impact on the host. culture. It can be used both in closed / open ground and in greenhouses in any form (both in dry and in liquid).

What purpose do they use?

The application has a positive effect on the harvest. If you follow all the rules, you can use it almost for all plants.

  1. Improved vegetable and fruit flavor.
  2. Yields increase.
  3. In winter, due to the use of potassium sulfate, plants tolerate cold more easily.
  4. Improves fluid circulation in the cells.
  5. Better shoots are formed.
  6. Perfect for chlorine sensitive crops.
  7. The level of vitamins / sugar rises.
  8. Increases resistance to all sorts of diseases.

What fertilizers are allowed to combine?

For example, along with phosphoric or nitrogen supplement, potassium sulfate has the most positive act. And also it is authorized to use top dressings which contain manganese, copper, boron, various microelements and so on.

It should not be combined with chalk and urea, as they are strongly oxidize the soil.

Determined by depending on the culture.

Dosage table:

Signs of deficiency and excess potassium sulfate

Deficiency

Determine the disadvantage can be the following features:

  1. The shape of the leaves of trees is changing.
  2. Growth stops.
  3. Deciduous tips dry.
  4. There are strange spots.
  5. Reduced shelf life.
  6. Fruits ripen unevenly.
  7. Flower buds fade without opening.
  8. Fruits are less sweet than usual.
  9. Paceniks are actively growing.
  10. Thinning stalks.
  11. A rusty color is acquired at the edges of their leaf tips.

Excess:

  1. The root tips die off.
  2. New leaves are thinning.
  3. Chlorosis (interstitial) occurs on the leaves.
  4. The internodes are shortened.
  5. Leaves below are clustered, and brown spots appear on them.

For indoor plants

Must be observed dosagewhich is indicated on the packaging. Apply potassium sulphate is possible only for those plants that are in the growth stage. You can feed, for example, Bauvralii, hydrangeas or anthuriums and others.

If the plant does not bloom, it is recommended to reduce the dosage indicated on the package.

As you can see, potassium sulfate is very effective fertilizer, the cost of which does not exceed thirty rubles, which makes it possible to freely improve many characteristics of plants.

Brief description of the article

It is quite promising to use this fertilizer because absent cons of many other dressings (mineral).

  1. Do not use in combination with chalk / urea.
  2. It is necessary to finish applying any fertilizers at least a few weeks before harvesting.
  3. Mixing with nitrogen fertilizing should be done only before applying to the soil.
  4. When using fertilizer, you must protect yourself with a respirator mask and gloves.
  5. If the soil is acidic, it is recommended to mix it with lime before fertilizing the soil (for better effect).
  6. Top dressing has an excellent effect on soils that are designed for vineyards.

Potassium sulfate fertilizer

Mineral fertilizer potassium sulfate (potassium sulfate) is actively used in the cultivation of most fruit and vegetable crops. It is useful both during the presowing treatment of the plot, and as a feed during the vegetative stage. The substance is well combined with the soils of any type, on the acidic soil it is recommended to be mixed with lime. With a lack of potassium in plants slows down or stops flowering, the leaves become small, twisted, pale (or brown), the stems thin out and break, there are many stepchildren.

What is potassium sulfate for plants?

Potassium sulfate mineral fertilizer is very useful for plants; its use on soils helps to solve the following tasks:

  1. Provide perennial crops with a good winter. Since autumn, having fed fruit and berry plants and shrubs with potassium, one can expect that they will endure even the most severe frosts.
  2. After using potassium sulfate in farmed fruits, berries and vegetables, the percentage of sugars and vitamins increases markedly.
  3. Potassium increases the resistance of cultivated plants to many ailments, reduces the risk of damage to fruits by gray rot.
  4. Potassium sulfate is susceptible to chlorine-sensitive plants. As part of this mineral fertilizer, there is no such element in contrast to most potash feeds.
  5. It enhances the circulation of fluid in the cells of cultures, favors the rapid development of the root system, the growth of green mass, effectively influences the growth of plants and the formation of new shoots.
  6. Potassium in cultures accumulates in the form of ions and regulates all metabolic processes at the cellular level, facilitates the influx and rapid absorption of nutrients.
  7. Potassium sulfate fertilizer and its use on the plot helps to improve the composition of the soil.

Potassium sulfate - fertilizer composition

The inorganic compound potassium salt of sulfuric acid or potassium sulfate in the composition has 50% potassium and oxygen, another small percentage of sulfur oxide, sodium, calcium, iron oxide. They are important for the harmonious development of plants. Potassium sulfate is a white or yellowish crystals. Among its components there is no dangerous chlorine, which negatively affects commercial crops. Therefore, potassium sulfate is considered the best potash fertilizer. A good result for increasing yields is its combination with phosphorus.

Where is potassium sulfate used?

Potassium sulphate fertilizer has been used on various lands, it is suitable for almost all perennial fruit shrubs and trees, crops, and is actively used in floriculture. The substance is particularly effective on peat soils. Fertilizer is recommended for permanent use on potash-poor lands. On fertile soils it is actively used for crops that are heavily assimilated by potassium - sunflower, potato, beet, turnip, carrot.

Potassium sulfate - application in gardening

Potassium sulfate is widely used in gardening. It is harmless, does not contain chlorine, is necessary for obtaining high-quality and generous harvest. Potassium sulfate fertilizer - use in the garden:

  1. For berry bushes, it is recommended to put 20 g of potassium sulfate per m² in the soil, better - before flowering at the time of the growing season.
  2. Potassium sulfate for fruit trees is used in the amount of 150-200 g. It is brought into the tree trunk; here it is important not only to scatter the granules, but to bury them in loose earth to a depth of 30 cm and to water the plant well. Before planting a tree, fertilizer is applied directly into the pit. This will ensure nutrient flow to the roots and improve plant growth.
  3. Grapes absorbs a lot of potassium, therefore it is recommended to make fertilizer annually. In cloudy weather, 10 g of water is diluted with 10 g of potassium sulfate and the plant is watered. In the same sauce you can add 40 g of superphosphate.

When should potassium sulfate be applied to the soil?

To bring more benefits to plants, it is important to know when to add potassium sulfate to the soil:

  1. When autumn or spring digging, the substance is introduced in a dry form under vegetable or fruit crops. The dosage depends on the type of plant.
  2. The second dressing is done in the middle of summer. Plants are fed with potassium sulfate, but in the liquid version - the solution is poured directly under the root.
  3. On loams it is rational to irrigate the leaves.
  4. The rest of the time, you can use potassium on the plot in a dry form - make furrows between rows and apply powder to a depth of 8 cm. This form of fertilizer application is especially convenient if the plants are planted in rows.
  5. Potassium sulfate is applied for the last time 2 weeks before harvest.

All three methods of fertilizer application (in dry, liquid form or by spraying) are very effective, since potassium is perfectly absorbed by any part of the plant. The greatest amount of nutrients enters through the root system, so it is still preferable to apply fertilizer through the soil. This will allow simultaneously feeding the plant itself and normalizing the chemical balance of the earth.

How to dilute potassium sulfate for feeding?

In the aggregate state, the active substance is more likely to fall to the roots of plants. How to dilute potassium sulfate for liquid feeding: take 35-40 g of the substance and mix them thoroughly in 10 liters of water. This mineral is well soluble in the liquid, but it is better to use liquid fertilizer right away - watering the resulting solution of 3-4 m beds (these are about 10-20 plants). The same composition can be made for the liquid feed to the foliage.

How to replace potassium sulfate?

There are no problems with the use of potash fertilizers; if necessary, potassium sulfate can be replaced by:

  1. Calimagnese. It contains potassium in 2 times less - 27% and 10% magnesium. Therefore, when replacing potassium sulfate with potassium magnesia, the rate of the reserve should be doubled.
  2. Potassium salt. The percentage of potassium in it almost coincides with potassium sulfate, but chlorine is included. Replacement of potassium sulfate with potassium salt is recommended only for autumn digging - in the amount of 10-20 g per m 2. During the winter, chlorine is washed out of the soil and does not harm the plants.
  3. Potassium chloride. Contains potassium 60% and chlorine. It is best to use fertilizer in the fall for digging - in the amount of 20-25 g per m 2 2

Description and chemical formula

Potassium sulphate, also called this nutrient mixture, is produced industrially from natural ingredients - langbeinite and chenite minerals. In the sale of the drug is presented in the form of a light yellow crystalline powder. People learned about this substance over 100 years ago. Due to its performance, potassium sulphate is successfully used to feed almost all vegetable crops, shrubs and fruit trees.

According to the description in the composition of the fertilizer there are such important substances for plant organisms as:

The chemical formula is K₂SO₄. Given the good solubility in water, the drug can be added to the ground both in powder form and in liquid form. Due to the absence of harmful chlorine in the potassium sulfate composition, the working solution does not provoke negative consequences either for the soil, nor for the plant organisms and the environment. As a result of its use, the acid-base balance is balanced on practically all types of soil. But it is especially effective to bring it into the land with high acidity.

Benefits of Potassium Sulfate

Among the positive characteristics of chemical fertilizers are:

  • Способность повышать концентрацию сахара и витаминов в клетках садово-огородных насаждений, увеличивать сопротивляемость к поражению различными заболеваниями и вредоносными насекомыми. Especially well the drug protects planting from gray mold and the core.
  • The ability to feed to plants that are hypersensitive to chlorine.
  • Improving the circulation of fluid in the cells of plant organisms, which allows you to evenly distribute nutrients. As a result, they form a powerful root system and improve the condition of the green mass.
  • The beneficial effects on the growth and development of crops grown, especially if used in liquid form.
  • Relatively low cost of the drug.
  • Does not cause difficulties in application.
  • Does not contain toxic components, in doses recommended by the manufacturer does not cause any harm to human health.
  • It is an effective plant nutrient.

When using potassium sulfate fertilizer, the gardener increases the chances of getting not only qualitative, but also quantitative yield.

Scope of application

Agrochemical is widely used in crop production. Potassium sulphate fertilizer can be used for feeding agricultural and indoor plants throughout their life cycle. The working solution shows good results even when spraying the leaf and the stems, and not only when it is applied to the soil. Plants after saturation with nutrients acquire sufficient immunity, tolerate adverse external conditions more easily, grow faster.

This mineral composition is often the basis for the manufacture of complex feedings. If the substance is applied in pure form, it is important to correctly calculate the dosage. Only with this approach there will be no oversupply and negative consequences for the green crown in the form of a change in color, a decrease in the thickness of the leaves. Potassium sulfate is in demand in areas with peat and sod-podzolic soil.

It is actively used to improve the conditions for growing grapes, flax, tobacco, citrus crops and potatoes. When used together with phosphate and nitrogen compounds, this mineral fertilizer is added during the cultivation of sugar beet, root crops, sunflower.

The role of potassium in plant life

Substance is a vital element for plant organisms, contributes to better development and fruiting. Due to its accumulation in the tissues, a more efficient exchange of energy is observed. This component is especially important to the young parts of the cultivated crops, it is required for the organization of protein synthesis, accumulation of starches, sugars, photosynthesis.

Determine the deficiency of potassium in the landings by the following symptoms:

  • cessation of growth
  • reduction of internodes,
  • dry leaves
  • the formation of spots, stripes, patches of brown color,
  • yield reduction
  • uneven ripening of fruits,
  • reduced shelf life
  • violation of the flowering process,
  • wilting unopened buds.

Tomatoes lack potassium more acutely, they are fed through watering or foliar feeding is done. The result will be equally good, it can be seen in the near future. Potassium sulfate (100 g) for grapes is applied with copper sulfate (100 g), ammonium nitrate (30 g), boric acid (10 g). These components are mixed in 3 liters of water and combined with superphosphate (200 g) diluted in 2 liters of liquid. For vineyards, potassium sulphate is vital, it provides almost instant absorption of all the beneficial elements from applied supplements.

What soils effectively fertilizer

Apply potassium sulfate on all types of soil. It has a positive impact on agricultural plantings and perennial fruit trees, shrubs. The mineral complex is especially popular with those who love floriculture. The nutrient mixture shows its effectiveness on peat soils. If the soils are poor, they have a too high potassium deficiency, fertilizer is applied constantly.

On fertile lands, fertilizing is necessary only for those plantations that actively absorb it: beets, sunflower, carrots, potatoes, turnips. To increase the efficiency of potassium sulfate, it should be added together with phosphoric and nitrogen compounds.

Instructions for use

Potassium sulphate fertilizer, depending on the type of crops grown, is made in strict accordance with the manufacturer's instructions. So, when digging the soil consumption of agrochemical is:

  • For tomatoes, cucumbers, indoor plants, flowers in the country - 15-20 g per 1 square. m
  • For strawberries - 15-20 g / sq. m
  • For plants grown in open areas, 30-40 g / sq. m
  • For cabbage, lettuce, carrots, potatoes, beets measure 25-30 g / sq. m
  • For fruit trees per planting take 150-200 g.

During the period of intensive growth, fertilizer is consumed as follows:

  • For cucumbers and tomatoes use 15-20 g / m 2.
  • For berry plants - 15-20 g / m 2.
  • For root crops use 30 g / m 2.
  • For strawberries at the flowering stage will require 15-20 g / m 2.
  • For cabbage - 25-30 g / m 2.

The optimal depth of the introduction of the complex composition in the autumn is 8 cm between the rows. According to the instructions for use, the fertilizer composition for irrigation is diluted at the rate of 30-40 g per 10 l of water. This volume is sufficient for processing 10-20 garden plantations. The last feeding of this agrochemical should be done 14 days before the harvest.

Potassium sulfate toxicity

Despite the harmlessness of the nutrient mixture, it is recommended to adhere to personal safety measures, since it is a chemical compound. First of all, you need to learn more about the instructions for use, which clearly describes the rules for the use of the mineral composition.

Before preparing the working solution or distributing the granules on the ground, you must wear protective gloves, a respirator (mask), clothes with long sleeves. Such tools will help prevent fertilizer from entering the eye mucosa and skin. After all the work should be thoroughly washed hands, face with plenty of water.

Compatibility with other fertilizers

A very useful combination for plant organisms is potassium sulfate with a phosphate or nitrogen composition. Such a tandem makes it possible to enrich the soil and saturate the planting with the necessary elements, as well as to scare away various parasites and significantly increase the yield indices.

If the soil is too acidic, potassium sulphate can be added along with lime. As for the joint use of this mixture with urea and chalk, these two options do not fit together. It is more rational to make them separately. The same restrictions exist for simultaneous use with manure, compost. The latter themselves have the ability to enrich the earth with potassium.

Potassium sulfate is highly effective, after its introduction the plants become more durable and have a sufficient degree of yield. In order to avoid the depressed state of planting, you must follow the instructions for use. Due to the presence of several ways of making a fertilizer mixture, you can effectively find the right solution for each type of crop.

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