July grape heavy fertilizer water
In July, the grape is in the period of fruit enlargement and gradually matures. Within one month before harvest, it is a critical period for obtaining high quality and high yield. We must effectively grasp the management of fertilizer and water.
Timely fertilization, nutrient supply is generally applied once in the early stage of fruit coloring, and is dominated by phosphorus and potassium fertilizers. Potassium sulphate three-element compound fertilizer can be used for soil application; it can also be sprayed by combining the prevention and treatment of pests and diseases by extra-root fertilizer, increasing the nutrition of leaves and fruits, and 0.5%-1% potassium dihydrogen phosphate solution can be used to spray 2 -3 times.
In order to improve the storability of grapes, Calcium foliar fertilizers can be sprayed twice consecutively within one month before harvest, which can significantly increase the calcium content of grape berry, thus improving the grape quality and calcium storage, for prevention. Dehiscence also has a certain role.
Strengthen water management In order to guarantee the quality of grapes, it is required to strictly control irrigation within one month before harvest to prevent quality degradation. Before the advent of heavy rain, special attention should be paid to the prevention of flooding.
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