Potash - a complex of minerals designed to support horticultural crops with a shortage of potassium in them. They are presented in the form of salts soluble in water and sometimes contain additional substances that facilitate the absorption and assimilation of plants.
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The value of fertilizers plant life
Potassium is also actively involved in the life of the plant, as well as phosphorus and nitrogen. Its main difference from other elements of that contained in the cell sap, while the majority of other minerals is composed of organic compounds. It supports the course of all biological processes in cells, including photosynthesis and metabolism.
Another fertilizer helps plants store water and survive dry periods without problems. If the trees and grass are not able to endure a long time the high temperatures and lack of rainfall, then there is a potassium deficiency.
To synthesize and accumulate sugars that help to survive the winter, the plants also can not do without potassium supplements. Timely fertilizer affects the production of aromatics and increases the resistance of plants to fungi green and other diseases.
Dressing containing potassium, and are themselves useful for the shoots and fruits, but the maximum effect is achieved when used in conjunction with nitrogen and phosphorus additives. To the roots constantly receives all the necessary nutrients, and planting will go strong and healthy.
Types of fertilizers and their properties
- Potash (potassium) salt. The mixture consists of potassium chloride, sylvite and kainite or fine grinding. Total potassium content - about 40%. Due to the high content of chlorine fertilizing approach, not all, but fruit juice and fodder crops absorb it well. As chlorine, the additive is introduced deep into the soil in the autumn, the summer do not use it.
- Potassium chloride. In agriculture it is used more often than others. Well regarded spinach and celery. Introduced in autumn, well before planting the plants into the ground. Not used in heavy soils.
- Potassium sulfate. The composition includes magnesium and calcium, which increases the utility of additives for all kinds of green crops. Fertilize at any time of the year, but not acidic soil, otherwise there will be too acidic.
- Potassium nitrate. An additional component of nitrogen accelerates the growth and development. It is used on neutral soil in the spring and summer.
- Potassium carbonate (potash). Demanding storage conditions, the slightest moisture causing caking and loss of properties. Entered in the acidic soil, and gardeners are usually mixed with peat for better digestibility.
- Potassium-magnesium. The preparation of magnesium and chlorine is not so healthy and nutritious supplement for the majority of plants, especially tomatoes and potatoes. Well absorbed in sandy soils.
- Wood ash. Absolute hit because of low cost, widespread availability and use. You can prepare yourself young hardwood trees. Used all year round in all soils. Not mixed with manure, nitrogen and phosphate fertilizers.
Mineral supplements, which include those of potassium, contain concentrated substances, so they should make small doses, preferably in moist soil and weather. Large doses or incorrectly chosen fertilizer may involve overabundance element, leading to a weakening of protection against bacteria, dropping of leaves and total withering plants.
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