The management of winter fertilizer and water in cucumber greenhouses is very important. If the fertilizer and water are not properly managed, it will cause bad phenomena such as rot, roots and leaves, and affect the yield of cucumber.
Formulated fertilization should be applied to fertilization, and fertilization should be carried out according to the laws of organic fertilizer + compound fertilizer + trace fertilizer + active beneficial bacteria fertilizer. The fertilizer should be dominated by multiple compound fertilizers and organic fertilizers, and the combination of base fertilizer and rushing should be adopted. The soil layer can be activated to increase the area of ​​root extension and supplement the various nutrients needed by the plant. Greenhouses have to be less fertilized and finer, and must not be too fat at the base, otherwise they will cause burning of seedlings. The fertilizing amount must not be too large. Otherwise, it will easily cause rot, roots, and so on. When fertilizing, it is necessary to grasp the right amount, and after fertilizing It is necessary to cultivate in time.
On the water, the greenhouse cucumbers should be selected for watering in the sunny morning. At this time, the water temperature is close to the ground temperature, the ground temperature is easy to increase, and there is enough time for dehumidification in the afternoon. Try to avoid watering in the evening and even when cloudy. In order to avoid the occurrence and spread of vegetable diseases, the amount of greenhouse watering should not be too large. Otherwise, the soil is prone to lack of oxygen and causes root suffocation and rot. Roots cucumber watering is the best choice for groundwater, the water temperature cannot be lower than 3°C, and the amount of water must be Small, on the day of watering, it is necessary to restore the ground temperature as soon as possible. At the same time, try to get rid of moisture, if the humidity is too high, it is easy to cause downy mildew and powdery mildew.
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