Potash fertilizer main varieties and application methods

1. The main varieties of potash, potassium chloride, are mostly milky or reddish, opaque, hygroscopic, soluble in water, containing K2O52%-55%, not suitable for chlorine crops such as tobacco, other crops such as grapes, Potatoes, sugar beets, and other crops that are sensitive to chlorine are also rarely used. Potassium sulphate is generally white or light yellow crystals, it has low hygroscopicity, is not easy to agglomerate, and is easily soluble in water, containing about 52% of K2O. Because it does not contain chloride ions, its application scope is wider than that of potassium chloride, but its quantity is small and its price is high. Potassium nitrate is a white or off-white crystal, which is a nitrogen fertilizer and a potassium binary compound fertilizer containing about 46% of K2O. Because it does not contain chloride ions, its application scope is wider than that of potassium chloride, but its quantity is small and its price is high. Potassium nitrate is a white or off-white crystal and is a nitrogen fertilizer and a potassium binary compound fertilizer containing about 52% of K2O and 14% of nitrogenous fertilizer. Due to flammability and explosives, care should be taken when storing and using it. The current usage is not large. Potassium dihydrogen phosphate is mostly white crystal or gray powder, low hygroscopicity, easily soluble in water, and is a phosphorus, potassium binary compound fertilizer, containing K2O33%. Wide range of applications, but high production costs and high prices, mostly used as foliar fertilizer. The physical and chemical properties of compound fertilizers are mainly determined by different concrete composite materials. The amount of potassium varies according to different formulas, nutrients are more comprehensive, and nutrient content and types should be paid attention to in the application process.
Second, the application of potassium fertilizer Potash fertilizer can be used as base fertilizer, can also be used as topdressing fertilizer, some varieties can also be used as foliar fertilizer, but as base fertilizer and foliar fertilizer application effect is good. The use of potash fertilizer as a base fertilizer can meet the demand for potassium in the whole growing period of crops, and is particularly important for crops with short growth periods and soils with significant potassium deficiency. For long-growing crops such as cotton, the combination of base application and foliar spray can be used. For sandy soil, the combination of basic and topdressing can be used. The mobility of potassium in soil is between nitrogen and phosphorus. At present, the available potassium content in soil is lower than 100 mg/kg/mu; soil available potassium content is below 100-150 mg/kg, K2O3%-5 kg/mu can be used, and when soil available potassium is greater than 150 mg/kg At kilograms, chemical potassium fertilizers may not be applied or reduced in the type of visible crops.

The yellow mealworm is not only rich in protein, fat, polysaccharid and other organic macromolecular nutrients, but also rich in phosphorus, potassium, iron, sodium, aluminum and other trace elements. For every 100g of the yellow mealworm larvae, the protein content of dry powder is between 48% and 54%, the fat content is between 28% and 41%, and the contents of vitamin E, B1 and B2 are also high. Therefore, the yellow mealworm can provide high quality protein for your parrot, make your parrot strong, eyes bright, feathers rich and shiny.

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