Improve plant lighting conditions. Insufficient light is the leading cause of falling flowers and falling fruit. The farmers can install special fill lights in the shed to fill the light during the daytime, and add a light curtain to the back wall of the shed to increase the efficiency of scattered light. Enhance the photosynthesis of peppers. More importantly, it is important to do a good job of pruning in time. The vegetable grower should first loosen the rope of the pepper, increase the angle of opening of the pepper branches, strengthen the pruning, remove excessive branches, especially the inner litchi, increase the light-receiving area of ​​the leaves, reduce the effect of nutrient consumption, and thus improve the pepper The fruit setting rate.

Reduce the humidity in the greenhouse and shake the plants to facilitate pollination. The flowering and pollination of vegetables also requires humidity. Even if there is little ventilation in the ceiling, the humidity in the greenhouse is too large, which can easily lead to poor development of pepper pollen and reduced activity, and pollination cannot be completed. Therefore, even in cloudy days, it is necessary to pay attention to the interval of 2-3 times during the period from 12 noon to 2 o'clock in the afternoon. The tuyere is 7 to 10 centimeters in diameter, and each exhalation time can be about 15 minutes. In this way, the humidity in the booth can be reduced as much as possible without significantly affecting the temperature in the booth. At the same time, vegetable farmers can also take measures to promote more pollen stick to the stigma of pepper pistil, to ensure the completion of pollination.

Foliage nutrition. Falling fruit is serious, and it is also inseparable from the shortage of nutrients. Even in cloudy days, farmers can increase the growth of peppers by adding fertilizer to the leaves. Foliar spraying foliar fertilizers, such as boron-containing zinc-containing foliar fertilizers and 1000-fold times the number of nucleotides chitin 1000 times, to supplement the energy of pepper, improve plant resistance, thereby reducing the excessive consumption of nutrients caused by falling The amount of fruit drop.

When the peppers fall and fall, they should be sprayed with naphthylacetic acid and other plant growth regulators to protect the fruit, but the amount used should not be too large, and the amount should be controlled between 30-40 mg/kg. After the use of naphthaleneacetic acid, the leaves of the pepper plant will appear 2-3 days of curved leaves and will recover on their own after a few days.

In addition, in the prevention of pests and diseases, in order to avoid increasing the humidity in the greenhouse, powder or smoke agents should be used. When spraying, it is necessary to select a good weather in the morning and ventilation reduces the humidity in the booth. However, for the peppers just planted by vegetable farmers, because the plants have just entered the flowering stage, the ability of flowering and fruit setting is strong. The vegetable farmers should eliminate the peppers and peppers of the peppers, mainly to cultivate trees, and take the fruits of the peppers with more than four buckets. This will not only effectively promote fruit setting but also increase the yield of peppers.

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