July grape is in the period of fruit enlargement. This month is the key period for obtaining high quality and high yield. We must do a good job in the management of fertilizer and water.
Timely fertilization and supplementary nutrients are generally applied once at the initial stage of grape coloring. Phosphorus and potash fertilizers are mainly used, and potassium sulfate compound fertilizer may be used. Can also be taken outside the way of top dressing, combined with the prevention and treatment of pests spraying foliar fertilizer, increase leaf and fruit nutrition, 0.5% ~ 1% of potassium dihydrogen phosphate solution can be sprayed 2 ~ 3 times. In order to enhance the storability of grapes, in the two consecutive sprays of calcium-based foliar fertilizers in July, such as Cui Kang calcium treasure 1000 to 1200 times, can significantly increase the content of calcium in grapes, thus improving the quality of grapes, enhance storage Sex, while also preventing grape cracking.
Strengthening Water Management In order to improve the quality of the grapes, watering should be strictly controlled in July. Before the advent of heavy rain, special attention should be paid to the prevention of flooding. For grape varieties that are prone to cracking, measures such as mulching and covering grasses should be taken to ensure a balanced supply of soil moisture.