In the process of growing grapes, the application of organic fertilizer should be based on the application of manure and manure; when the berry is inflated, the appropriate amount of phosphorus and potassium fertilizer should be applied, and the 0.2% potassium dihydrogen phosphate solution should be sprayed on the foliage.
In the fruit expansion period, 50 kg of decomposing human excrement plus peanut cake fertilizer or sesame cake fertilizer 1 kg per acre, ring ditch application, and then covering the soil, the sweetening effect is very good.
The edible oil residue in the ditch is about half a month before the fruit picking. 50-100 grams of cottonseed cake residue is applied to each grape ditch. After application, the soil is covered and then water is poured to promote the root system to absorb as soon as possible.
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