In early spring or overwintering, the cultivation of vegetables in protected areas often encounters severe weather, such as rain, snow, cloudy days, and low temperature, which not only seriously affect the growth of plants, but also have a great impact on the flower bud differentiation of fruits and vegetables, and cause fruit and fruit drop. Malformed fruit has a great influence on the overall yield of vegetables. If management is not good enough, it can lead to the failure of a crop of vegetables, and if you want to grow good vegetables, you must strengthen the management of low-temperature and even cloudy vegetables.
Low temperature even cloudy sky vegetable smoke shed to prevent victimization. The normal use of the aerosol in the greenhouse can achieve good results in 7-8 hours. If the smoking booth is too long, it is easy to cause damage to the vegetables. The leaves are yellow and dry and affect the normal growth of the fruit. The vegetable farmers must pay attention to listening to the weather forecast when they are smoked, so as to ensure that the ventilation can be exposed the next day. If the weather is bad the next day, it is best not to smoke the shed.
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