It’s time for the cabbage planting season. According to experience, the application of phosphorus and potassium fertilizer can speed up the early cabbage and solid heart.
Increase the application of phosphorus and potassium fertilizer. After 25 days of planting Chinese cabbage, the application of phosphorus and potassium fertilizer will be applied once every 10 to 15 days, each time applying 25-30 g of potassium dihydrogen phosphate per plant (with water drenching), or using decomposed human and animal Dilute the manure water into 80-100 times solution and then apply it for 2 to 3 times.
Add foliar fertilizer. From the beginning of the cabbage in the beginning of the ball, spray the 0.3% potassium dihydrogen phosphate, 500 times Zhuangfengyou, 1500 times Shennongsu chelated fertilizer mixture every 7 to 10 days, even spray 3~ 5 times, evenly spray all the leaves to start dropping with water drops.
Drought prevention. During the growth of Chinese cabbage, it must be ensured that there is sufficient water supply. Avoid it for a long time and when it is dry, to prevent the leaves of Chinese cabbage from curling and wilting. When the weather is dry, in addition to the morning and evening, the water is drenched once, each time the plant is drenched 1.5 to 2 kg, and the wheat flour or other weeds are used to cover the surface to reduce the water loss and keep the soil moist.
Control pests and diseases. Chinese cabbage is endangered by viruses, soft rots, hanging worms, mites and other pests and diseases, which can cause unintentional and non-going. Therefore, during the cabbage cabbage, you should pay attention to check the blades. If it is found that there are pests and diseases, it is necessary to spray 2 or 3 times 1500 times of agricultural land, 1500 times of dexamethasone mixture, or spray 1500 times of lesbian, 1000 times to kill the mixture for prevention. If the soft rot is seriously harmful, 500 times of agricultural streptomycin should also be added.
(Jia Youjiang)
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