The "crazy growth" mentioned here refers to the phenomenon that the vines, stems and leaves of cucumbers grow wild without fruiting, which will seriously affect the yield and benefits of cucumbers grown indoors by vegetable farmers. So how can we prevent it?
1. Control the temperature
During the cucumber growth period, the high temperature should not exceed 30℃, and the low temperature should not be lower than 25℃. This range is ******. If it exceeds 30°C, cucumber plants will grow wildly, so temperature control is very critical. For indoor planting, the daytime temperature should be controlled between 25°C and 30°C, not more than 30°C.
At night, the temperature is kept at about 18°C ​​to reduce its breathing and facilitate the accumulation of beneficial substances. If the temperature is too high during the day, then we should open the shed moderately to avoid the phenomenon of plant death due to the high temperature.
2. Suppress humidity
Generally, if it is grown indoors, the temperature and humidity will be relatively high in a sealed environment. However, the suitable air humidity for cucumber growth is about 85%. If the air humidity in the shed exceeds 85%, ventilation and humidity reduction should be carried out immediately. If the temperature is between 10°C and 15°C at night, the greenhouse should also be properly ventilated to prevent cucumbers from "crazy growth", to inhibit the occurrence of pests and diseases, and to promote flowering and fruiting of cucumbers.
3. Scientific fertilization
Excessive application of nitrogen fertilizer and insufficient fertilizers such as phosphorus, potassium, and boron will result in vigorous growth of plants and failure of normal pollination and fertilization, resulting in plant falling flowers and fruit. We know that if the plant absorbs more nitrogen, it will be beneficial to the development of the branches and leaves of the plant, which is not conducive to its flowering and fruiting. Therefore, we must control nitrogen fertilizer and increase fertilizers with other elements.
Of course, we can also spray some foliar potassium fertilizer to promote plant pollination and fertilization. This can promote its flowering and fruiting and increase the fruiting rate.
In addition, we also need to improve its cultivation conditions. The greenhouse should use high-quality films as much as possible. A good film has good light transmittance and can avoid water accumulation on the top of the film, thereby increasing the temperature in the shed and reducing the humidity in the shed. The film in the greenhouse should be scrubbed frequently to prevent the accumulation of dirt and direct sunlight, which is not conducive for plants to absorb sunlight.
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