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Suppose the recommended foliar spray of Urea is 2% concentration. This means that 100 parts of spray solution should have 2 parts of Urea. To get this, 2 kg of urea should be dissolved in 100 liters of water or 4 kg of Urea in 200 liters of water and so on. If the amount of water required to cover one hectare is 400 liters, then a 2% spray liquid is prepared by dissolving 8 kg of Urea in 600 liters of water. The same calculation procedure is used for micronutrient foliar sprays. Compiled by Dr.
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What is the calculation procedure for foliar sprays?
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