The fertilizer and water management of cucumber in winter greenhouse is very important. If the fertilizer and water management is not proper, it will cause bad phenomena such as rotten root, loquat root, and leaf yellowing. Therefore, I would like to remind the friends of vegetable farmers to be careful about the management of cucumber fertilizer and water. 1. Fertilization Combine organic and inorganic fertilizers. After effective soil testing, formula fertilization is performed according to the previous conditions of the soil and cucumber needs to meet crop growth needs. The general fertilization rule of crops is organic fertilizer plus compound fertilizer plus micro fertilizer plus active beneficial bacterial fertilizer. The selection of fertilizers is mainly based on multiple compound fertilizers and organic fertilizers, and a combination of bottom fertilizer and flush application is adopted. This can activate the soil layer, thereby increasing the area of ​​root extension, and supplementing various nutrients required by the plant. Some vegetable farmers friends blindly increase the amount of fertilizer when fertilizing, such as excessive base fertilizer will cause burnt seedlings; if the amount of fertilization is too large, it will easily cause rotten root, loquat root and so on. Therefore, it is necessary to grasp the appropriate amount when fertilizing, and after the fertilization, it is necessary to cultivate in time. Bio-fertilizer contains a variety of beneficial bacteria, which can activate the soil, increase ground temperature, and regulate soil nutrition. Therefore, proper application of bio-fertilizer can promote root development and disease resistance of cucumber. If the cucumber in the greenhouse is severely deficient in winter, the amount of watering must not be too large. At this time, the soil is prone to lack of oxygen and the root system will suffocate and rot, and the leaves above the ground will even yellow. In winter, it is best to choose groundwater for watering cucumbers. The water temperature cannot be lower than 3 ° C, and the amount of water should be small. On the day of watering, the ground temperature should be restored as soon as possible. At the same time, it is necessary to drain as much as possible. If the humidity is too high, it can easily cause downy mildew and powdery mildew. Disclaimer: Some articles on this website are transferred from the Internet. If you have third party legal rights, please inform this website to deal with them. phone
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Second, watering time In winter, the greenhouse should choose to water the cucumber in sunny morning, because the water temperature is close to the ground temperature at this time, the ground temperature is easy to increase, and there is still enough time to drain moisture in the afternoon. Therefore, try to avoid watering in the evening and cloudy days, so as not to cause the major occurrence and spread of vegetable diseases.
Third, the amount of watering
Fourth, water temperature 
