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How much fertilizer is needed for cotton
Cotton is a highly nutritious crop, but it also demands significant amounts of fertilizer and requires advanced fertilization techniques. According to research, for every 100 kilograms of lint produced, the plant needs approximately 10 to 18.5 kilograms of nitrogen, 3.5 to 6 kilograms of phosphorus (Pâ‚‚Oâ‚…), and 13 to 16.5 kilograms of potassium (Kâ‚‚O). The typical N:P:K ratio is around 3:1:3. In addition to these major nutrients, cotton also absorbs important secondary nutrients such as 1.29 kilograms of magnesium and 1.86 kilograms of sulfur per 100 kilograms of seed cotton.
Moreover, for every 100 kilograms of seed cotton produced, the plant takes up about 36 grams of calcium. When forming one tonne of dry matter, cotton requires 106 grams of iron, 15 grams of boron, 14 grams of manganese, 16 grams of zinc, and just 0.77 grams of molybdenum. These micronutrients, though needed in smaller quantities, play a crucial role in the overall health and productivity of the cotton plant. Proper nutrient management is essential to ensure optimal growth, yield, and fiber quality. Farmers must carefully balance these requirements to avoid deficiencies or excesses that could harm the crop. Understanding the specific nutrient needs of cotton helps in developing more efficient and sustainable fertilization strategies.
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