Greenhouses, to do a good job in environmental control facilities, timely ventilation, sunny 11 to 15 o'clock covering the shade net shade, cooling, micro-spray or high-temperature watering between the lines to cool. In addition, according to the weather, soil and plant growth, do top-dressing and watering; pruning in time to remove the old leaves, so that the field ventilation and light, reduce the incidence of disease. Do a good job in the prevention and control of diseases such as downy mildew, yellow wilt, and late-infested diseases, and insect pests such as cotton bollworm, tobacco budworm and aphid, and strictly observe the safety interval after application.
At present, it is the late harvest period of tomatoes, eggplants, cucumbers, peppers, legumes, cowpeas and other crops grown in spring sheds and open fields; early harvesting of heat-tolerant leafy vegetables such as leeks, parsley, edible fungus, and spinach are needed. Choose sunny and early morning harvest in time to prevent falling fruit and miss the best commercial period to reduce quality. For early crop failure, clean the stubble, fallen leaves, and weeds, and transport them to designated locations for ozone treatment or high-temperature composting. After the spring pod crop is pulled, the high-temperature disinfection of the soil-borne diseases such as gray mold, sclerotium and other soil-borne diseases and nematodes occurs. Each crop of straw such as mash wheat straw is thrown into 900 kg, and lime nitrogen is 40-80 kg. Lime powder 100 to 200 kg.
Before the rainy season arrives, clear the field drainage ditch early. After the rainfall, there is no water in the field and the land will not collapse. Examine and repair the greenhouse wall and roof to ensure that there is no leakage; Check the storage conditions of grasshoppers, insulation, and other insulation materials to prevent loss due to leakage.
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