Tomato anti-air hole method
The temperature in the greenhouse is high. During tomato flowering, the suitable daytime temperature is 20-25°C and the nighttime temperature is 13-15°C. If the daytime temperature in the greenhouse reaches 35°C and the duration is long, poor pollination and fertilization will be caused and empty fruit will be formed.
Do not apply excessive nitrogen fertilizer. During the tomato fruiting period, excessive use of nitrogen fertilizers should not be avoided. Excess nitrogenous fertilizer can lead to excessive growth of stems and leaves of the plants, affecting the accumulation of nutrients in the fruits and causing empty fruit and stale fruit.
Increase lighting. The tomato is a hi-light thermophilic crop, and sufficient light is beneficial to the growth and development of the tomato. Can increase the product of photosynthesis, to meet their own growth needs but also consume a lot of nutrients.
Suitable regulators are applied. In the process of tomato planting, in order to prevent flowering and fruit drop, and improve the fruit setting rate, the fruit can be sprayed for the first time after anthesis, and the fruit is sprayed for the first time. The same method is used to spray the fruit for 7-10 days for the second time and the third time. To promote the quality of pollen fertilization to enhance the quality of fruit, fruit circulation rate, rapid fruit development, high yield, stable production, high quality.
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