Recently, due to good weather and strong sunlight, the temperature of greenhouses has risen rapidly, which has brought good advantages to greenhouse production. However, due to the high temperature and high moisture evaporation, the increase in indoor humidity is likely to cause pests and diseases. The following points are made in the management of vegetables: First, do a good job of regulating fertilizer and water, and look at the ground watering. In principle, it should be done without pouring or pouring water. The second is to pay attention to the release of wind, when the temperature inside the shed reached 28 degrees or more, it is better to vent at noon, be careful not to enlarge the mouth, when the temperature is stable at 23 degrees, cover the outlet. The third is pest control. In particular, do a good job of disease prevention, such as the greenhouse is a tomato and cucumber and other thermophilic varieties, every 7 to 12 days with chlorothalonil plus micro fertilizer plus more uniform spray, pay attention to handling in the morning on sunny days, according to the amount of instructions, as far as possible Spray less and spray well, do a good job of scientific compatibility. Avoid phytotoxicity.
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