Over-wintering spinach, shallots and other stubble vegetables grown in the open field should be timely poured with frozen water and field-cultivated loose soil. The timing of watering with frozen water should be appropriate. It can be opened during the day). After 5 ~ 7 days of freezing water, plough soil should be cultivated in time, so as to mitigate ground cracks caused by watering to ensure that the seedlings can safely survive the winter.
At the same time, autumn and winter stubble vegetables grown in sunlight greenhouses are in a period of vigorous growth, and management and cold protection must be done well. Greenhouse vegetables need to be topdressed at the same time as the base fertilizer is applied, while the fertilization is convenient, the absorption is fast, and the fertilizer effect is good, but the methods and methods should be mentioned in the application.
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