How to increase the fruit setting rate in the greenhouse in the spring and winter season?

All the farmers who grow sweet peppers hope to increase the fruit setting rate of sweet peppers in the greenhouse, which will greatly increase the yield of sweet peppers. Then, how can the fruit juice rate in the greenhouse be improved in spring and winter? Is there any good way to improve? We can increase the temperature by applying fertilizers in the light shed. The technical points are as follows:

Improve lighting conditions and increase temperature

In the event of cold weather, you can add a fill light in the shed. At the same time, the reflective curtain is hung on the back wall to increase the illumination in the shed. Clean the shed film and increase the light transmittance of the shed film. Strengthen the management of pruning and forks, remove too many branches and leaves, especially the inner lychee leaves, improve the light rate of leaves and flower buds, reduce nutrient consumption, and thus increase the fruit setting rate.

Reduce the humidity in the shed, insect pollination

The sweet pepper is more demanding in the flowering pollination period. When the temperature is low and the cloudy day, the humidity in the greenhouse is too large, which may lead to the poor development of the sweet pepper pollen, the activity is reduced, and the pollination cannot be completed normally. Around noon, depending on the weather, it can be cooled and dehumidified, and the humidity in the shed can be reduced as much as possible. In addition, releasing the bumblebee in the shed can significantly increase the fruit setting rate of the sweet pepper.

Spraying micro-fertilizers and plant conditioners

Boron is one of the essential elements for flower bud differentiation of sweet pepper plants, but boron tends to cause flower bud dysplasia. For this reason, spraying boron-containing liquid fertilizer before flowering can supplement the plant nutrition, improve the anti-inhibition and reduce the falling and falling fruit. Spraying 30-40 mg/kg of naphthaleneacetic acid can also play a good role in maintaining flowers and fruits.