corn has a long growth period and a fast growth rate. during the growth and development process, it needs to absorb a large amount of nutrients and water to meet the growth of roots, stems, leaves, and ears. spraying foliar fertilizer is also a major method of supplementing nutrients while applying sufficient base fertilizer and top dressing. a farmer friend inquired whether it is possible to mix potassium dihydrogen phosphate with zinc sulfate when spraying corn?
we all know that potassium dihydrogen phosphate is a water-soluble compound fertilizer with prominent characteristics such as high nutrient content, good water solubility, convenient use, and low price. spraying potassium dihydrogen phosphate on corn can not only quickly supplement the phosphorus and potassium needed for corn growth and development through the stems and leaves, but also improve the photosynthetic capacity of the leaves, making them thicker and greener. the plant has stronger stress resistance, which is beneficial for stem and leaf growth and ear development, significantly improving the yield and quality of corn. photosynthetic use in corn production.
zinc sulfate, also known as heptahydrate zinc sulfate, is a micronutrient fertilizer required for crop growth and development. it has the advantages of high nutrient content, good water solubility, and convenient use. zinc is a trace element required by corn, and corn is very sensitive to zinc. once corn lacks phosphorus, it will affect the photosynthesis of corn leaves. the main measure to supplement zinc is to spray zinc fertilizer when the leaves show symptoms of whitening.
during the growth and development of corn, it not only requires a large amount of elements such as nitrogen, phosphorus, and potassium, but also trace elements such as calcium, magnesium, sulfur, iron, boron, zinc, and manganese. in order to reduce labor input, insecticides, foliar fertilizers, and plant growth regulators are often mixed to achieve the goal of one spray and multiple prevention. due to the presence of phosphate ions in potassium dihydrogen phosphate and sulfate ions in zinc sulfate, when mixed, phosphate ions will combine with zinc ions to form insoluble salts. field experiments have also shown that when mixed, white flocculent precipitates will appear and the solution will exhibit layering. experiments have shown that potassium dihydrogen phosphate cannot be mixed with zinc sulfate.
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