How to manage greenhouse water and fertilizer in greenhouse

In the seedling stage management, the root system of cabbage is underdeveloped and the absorption is weak. Therefore, it is relatively dry during the autumn and winter period. It is necessary to supply enough water in time, insist on small water pouring and promote root growth. Urea is applied when the heart is broken, combined with cultivating thin and thinning, and the fertilizer is selected from urea or clear manure water and biogas slurry.

During the management of rosette period, after the seedlings of Chinese cabbage or the slow seedlings of plants, fertilization should be carried out between rows or between plants, and after applying compound fertilizer, water should be poured once, and then the soil should be watered and wet. See dry and wet. And not watering.

During the balling period management, water and fertilizer management during the balling period is very important. The focus is on the beginning and the middle of the ball, that is, “pumping fertilizer” and “infusion of heart fertilizer”. Immediately after the start of the core, the fertilizer is applied, and the compound fertilizer and urea are applied. After the plant is pumped, it will be applied once again. After topdressing, it will be combined with irrigation. At the same time, spraying vegetable strong stems during the ball-forming period can activate the positive energy of plant ecological growth, broaden the plant conduit path, enhance the water absorption and fertilizer absorption of plants, and improve the yield and quality.
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