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How should organic fertilizer be applied when growing pollution-free vegetables?
How should organic fertilizer be applied when growing pollution-free vegetables? Please give guidance. When growing vegetables, the concentration of nitrogen in the soil and the type of nitrogen applied directly affect the crop's disease resistance, marketability and nitrate content. Therefore, keeping the soil loose and fertile is a key measure for reducing pests and diseases and achieving high quality and high yields...
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How should phosphate and potassium fertilizers be applied when growing corn?
How should phosphate and potassium fertilizers be applied when growing corn? Please give guidance. When growing corn, the effect of phosphate and potassium fertilizer application varies greatly depending on the soil's available nutrient content. Increasing phosphate and potassium application helps produce strong seedlings that emerge early, strong plants with large ears, a higher grain-to-leaf ratio, and more grains and greater grain weight; it is an important condition for improving population quality. However, after phosphate and potassium fertilizers are applied, ...
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How should potassium fertilizer be applied when growing cotton?
How should potassium fertilizer be applied when growing cotton? Please give an introduction. In cotton fertilization, people generally focus on applying phosphorus fertilizer and nitrogen fertilizer, and do not pay enough attention to the application of potassium fertilizer. According to data, for every 50 kg of lint cotton produced, 9 kg of pure nitrogen, 3 kg of pure phosphorus, and 8 kg of pure potassium must be absorbed from the soil. If 100 kg of lint cotton is produced, then...
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How to apply foliar fertilizer when growing vegetables?
How to apply foliar fertilizer when growing vegetables? Please introduce the method: spray an aqueous solution of the nutrients the plants need onto the leaves, so that the plants directly absorb the effective nutrients through the leaves. This technique is called vegetable foliar fertilization. Compared with soil fertilization, this technique has faster conversion, higher fertilizer utilization, and improves the roots'...
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