Greenhouse vegetables are poorly managed after being exposed to low temperatures and cloudy days, which can lead to the production of a crop of vegetables. In order to achieve high yields of vegetables, it is necessary to strengthen the management of low temperature and even cloudy vegetables.
After chilly days and sunny days, the transpiration of plants is strengthened, but the short-term root activity is slow, and the short-term supply of water is short-term, which easily leads to wilting of plants. Therefore, do not open the grass pods to cover the yin, if the plants are wilting, you can quickly leaf Surface spray chitin + magnesium sulfate ease.
It is also unscientific to take medication immediately after fine weather. Because the plants grow weak, the pores have not yet been fully opened, the effect of medication is not good, and it is easy to cause phytotoxicity. It should be used after drying for at least half a day. After a long period of cloudy days, the growth of roots is hindered. After sunny days, do not immediately apply cold fertilizers such as compound fertilizers. Pay attention to compounding root-causing fertilizers to quickly restore plant growth.
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