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Can Greenhouse Vegetables Apply Potassium Nitrate Potassium Fertilizer
Q: Wanggenli, Xindian Town, Rudong County: Does the use of P and K fertilizers in vegetable greenhouses have any effect on the soil and crop production? A: Phosphorus and Potassium Phosphate is a complete fertilizer containing three nutrient elements of nitrogen, phosphorus and potassium, containing 22% of nitrogen, 8% of phosphorus, and 10% of potassium. It is applicable to tobacco, tea, apples, grapes, vegetables and other economic crops. According to the Zhang Yongchun Research Institute of the Jiangsu Provincial Academy of Agricultural Sciences, the urea nitrogen and ammonium nitrogen applied to the soil can be converted to nitrate nitrogen in a relatively short period of time as long as the temperature and moisture are appropriate. Potassium nitrate and potassium fertilizers can be applied on greenhouse vegetables, but the amount should be controlled. Excessive amounts of nitrate lead to excess nitrate in vegetables. The application of P and K fertilizers to greenhouse vegetables does not have an adverse effect on the crops that grow after crops.