1. Fertilization: Basal fertilizer will be ditched 0.7 meters wide and 0.5 meters deep in mid-September each year, then the decomposed farmyard fertilizer will be applied in the ditch 5000kg/mu, plus compound fertilizer 20kg to fill and fill.
2. Top dressing: After the first grape was put on the shelf, nitrogen, phosphorus, and potassium were each applied to 15% compound fertilizer 20kg/mu to promote flower buds to continue to differentiate and sprout, which had a promoting effect on shoot growth. The second time was 1 week before flowering. Application of compound fertilizer 25kg/mu to promote the rapid expansion of paddle fruit, so that the size of the fruit is consistent, the above three times are urea 20kg/mu, the fourth time when the fruit began to soften when the application of compound fertilizer 10kg/mu, potassium sulfate 10kg/mu Promote the second growth of fruits and full coloring, increase the sugar content, favorable storage, combined with autumn fertilization before the fifth harvest can be carried out, it is beneficial to increase tree nutrients, and increase the ability of the tree overwintering.
3. Foliar fertilizer: 5 times a year, starting from mid-June, once a month, spraying urea twice before and spraying potassium dihydrogen phosphate 350 times three times.
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