Management after harvesting grapes

After the grapes are harvested, the management of fertilization and prevention of pests and diseases must be done in a timely manner to speed up the restoration of the tree potential, to promote the growth of the results, to reduce the damage of pests and diseases, and to lay a good foundation for high-yield and stable production next year.

The fruit is harvested 5 to 10 days after the fruit is harvested. The fertilizer is mainly composed of high-quality organic fertilizer and complete NPK fertilizer, supplemented with P and K fertilizers. Results Trees of more than 50 kg, 10 to 25 kg of man-, livestock-and poultry-faeces, and 1.5 to 2 kg of NPK fertilizer, 0.5 to 1 kg of potassium dihydrogen phosphate, 50 to 60 cm from the center of the plant. In the place, dig deep and wide 30 to 40 centimeters around the ditch, mix all the fertilizer thoroughly and evenly, spread it in the ditch, and then fill the ditch back into the ditch to cover the fertilizer.

After applying the post-harvest fertilizer, promptly spray a 0.8-1.1 Baume degree lime aqueous solution on the foliar surface to eliminate the insects and pests adsorbed on the dendrite and stems and leaves. After each 10 to 15 days, the leaves were sprayed with 1000-fold dichlorvos, 800-fold thiophanate-methyl mixed solution, or 1,000-fold Lobster and 800-fold mancozeb manganese-zinc mixed solution to eliminate various pests that damaged the leaves. If you can add 0.1% magnesium sulfate, 0.2% urea, 0.3% potassium dihydrogen phosphate mixture with the spray, but also to add nutrients to promote growth. Foliar spray fertilizer, preferably 2 to 3 times.

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