Can the grape in the greenhouse be trimmed only?
A: No, just pruning can't solve the problem fundamentally. It can be controlled from three aspects: temperature and humidity, trimming and fertilization. The growth period temperature should be kept at 25 ° C ~ 30 ° C, humidity 60% ~ 70%, especially 5 ~ 6 leaves should be relatively dry. The pruning should be germinated in time, except for the auxiliary shoots, and the topping of the stalks should be carried out several times, and the flattening can be carried out by flattening and growing, and the winter shears can be trimmed with medium and short tips, and the long-tip pruning should be applied appropriately. Fertilization should strictly control the amount of nitrogen fertilizer, and apply organic fertilizer and phosphorus and potassium fertilizer.
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