Five ways to prevent grape cracking

Strengthen disease prevention and control (1) After the end of autumn and winter and early winter, thoroughly remove the diseased leaves, diseased fruits, dead branches, and burn or bury them deeply. (2) Spray 5 Baume degrees lime sulfur before germination, when powdery mildew occurs, spray 25% triadimefon 1500-2000 times fluid, or 50% tune off 600-800 times fluid, once every 10 days, even spray 2~3 Times.

Rationally improve the cultivation and management techniques, cultivate robust trees, and control yield through sparse spikes and ear shaping. Generally, the yield per mu is controlled at about 1,500 kg.

Reasonable fertilizer in the rapid expansion of the fruit period, should maintain adequate and stable state of soil moisture, pay attention to timely drainage, drainage and irrigation unobstructed, while at the same time through the deep turning and organic fertilizer to improve soil physical properties, in order to reduce soil moisture changes.

Covering the mulch in the vineyard covers the mulch, which prevents the root from absorbing too much rain and prevents the evaporation of water on the ground, combining the cover with the irrigation during drought.

Spraying plant growth regulators Spraying 0.2% calcium chloride or 0.2% amino acid calcium for 1 to 3 weeks before grape harvest can effectively control cracking.

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