Types of Potash Fertilizer Potash fertilizer refers to fertilizers rich in potassium, mainly including plant ash, potassium dihydrogen phosphate and potassium chloride. In addition, there are potassium salt, kiln ash potash fertilizer and so on. Most of them can be dissolved in water, and the fertilizer efficiency is fast and can be completely absorbed by the soil, and the fertility will not be easily lost.
The role of potash fertilizer The main function of potash fertilizer is to improve the photosynthesis of plants, promote the formation of carbohydrates by regulating the closure of stomata, accelerate the formation of protein, increase the content of crude fat in grain crops and oil crops, increase vitamin C in fruit crops, and change the size and flavor.
Lack of potassium fertilizer shows that when crops lack potassium fertilizer, the leaf edges are scorched, the old leaves fall off, the stems are prone to lodging and premature aging, the growth of roots is damaged, the growth of branchlets is weak, the fruit grows poorly, the maturity time is inconsistent, and the coloring is uneven.
Application method of potassium fertilizer Potassium fertilizer can be used as base fertilizer and topdressing, and a few varieties can also be used as foliar fertilizer. When used as base fertilizer, soil should be applied before planting to meet the demand for potassium during planting. When topdressing during planting, it can be diluted and watered with water, and when it is used as foliar fertilizer, it can be directly sprayed on both sides of leaves.