1. Control the temperature
During the growth of cucumber, the temperature should not exceed 30 degrees Celsius and not lower than 25 degrees Celsius. If the temperature is too high, the cucumber plants will grow madly. Therefore, it is very critical for temperature control. For indoor cultivation, the temperature during the day should be controlled between 25 and 30 degrees Celsius.
At night, the temperature of the shed is kept at about 18 degrees Celsius to reduce its breathing, which is beneficial to the accumulation of beneficial substances. If the temperature is too high during the day, it is necessary to expose the shed moderately to avoid the phenomenon of plant death caused by excessive temperature.
2. Inhibit humidity
Generally, when planting indoors, the temperature will be higher in a sealed environment. However, the suitable air humidity for cucumber growth is 85%. When the air humidity in the shed exceeds 85%, it is necessary to conduct ventilation and dehumidification immediately. If the temperature is between 10 and 15 degrees Celsius at night, the greenhouse should also be properly ventilated. Prevent "crazy growth" of cucumber vines to suppress the occurrence of diseases and insect pests and promote the flowering of cucumbers.
3. Scientific fertilization
Too much nitrogen fertilizer application, insufficient phosphorus, potassium, boron and other fertilizers will lead to vegetative growth of the plant, unable to pollinate and fertilize normally, resulting in plant falling flowers and fruit. If the plant absorbs more nitrogen, then it is beneficial to the development of the branches and leaves of the plant, but it is not conducive to its flowering and fruiting. Therefore, it is necessary to control the nitrogen fertilizer and add fertilizers of other elements.
Of course, you can also spray some potash fertilizer for foliage to promote plant pollination and fertilization. In this way, it is possible to promote the flowering of the plant and increase its fruiting rate.
In addition, we should pay attention to improve the cultivation conditions of cucumbers, the greenhouse should try to use high-quality film. A good shed film has good light transmittance, which can avoid the accumulation of water on the top of the film, which can increase the temperature in the shed and reduce the humidity in the shed. The film in the greenhouse should be scrubbed frequently to prevent the accumulation of dirt, which can cause unfavorable direct sunlight and affect the plant's absorption of sunlight.
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