The first application of organic fertilizers is to increase the quality and taste of grapes. During the grape growing process, decomposed human feces and urine may be added. After the berry expansion period, suitable amounts of phosphorus and potassium fertilizers may be topdressed, and 0.2% potassium dihydrogen phosphate solution may be sprayed on the leaves. Another need to chase cake fertilizer, during the fruit expansion period, 50 kg of human waste per acre plus cooked peanut cake or 1 kg of sesame cake, ring groove into the cover soil, sweetening effect is very good. At the same time, ditch the oil dregs, about half a month before fruit harvest, apply 50-100 g of cotton seed cake dregs or sesame oil residue from each grape ditch, cover the soil after application, and then apply proper amount of water to promote root absorption as soon as possible.
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