Characteristics of grape fertilizer requirement:

Grapes are perennial plants that grow and bear fruit every year and need to absorb a lot of nutrients from the soil. In order to keep strong growth of tree potential and improve the yield and quality of products, we must pay attention to reasonable fertilization. According to the situation of some fruitful vineyards in China, the results showed that for every 1000kg of fruit production, grape trees need to absorb about 6kg of nitrogen, 3kg of phosphorus pentoxide and 7.2kg of potassium from the soil.

According to the period of fertilization can be divided into base fertilizer and topdressing fertilizer. The basal fertilizer should be carried out from the fruit harvest to the full maturity of the shoots. Topdressing is generally carried out before flowering, young fruit stage and berry maturity stage, which has significant effect on improving yield and quality, and the method is simple.

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