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Key Techniques for Growing Eggplant in Open Fields in Summer

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Eggplant likes water. During the long drought with no rain in July, water must be added to keep the soil moist. When watering, dissolve the fertilizers ammonium bicarbonate, monoammonium phosphate and potassium sulfate in water, at concentrations of about 0.3%, 0.15% and 0.2% respectively. When irrigating through furrows, first fill a furrow with plenty of water, then evenly scatter the above fertilizers into the furrow to dissolve; the application rates per mu can be 15-30 kg, 10 kg and 10 kg respectively. If there is no water shortage, a hole can be dug in the middle of every four eggplant plants, and fully decomposed farmyard manure can be placed in the hole. Note that topdressing should be

Eggplant likes water. During the long drought with no rain in July, water must be added to keep the soil moist. When watering, dissolve the fertilizers ammonium bicarbonate, monoammonium phosphate and potassium sulfate in water, at concentrations of about 0.3%, 0.15% and 0.2% respectively. When irrigating through furrows, first fill a furrow with plenty of water, then evenly scatter the above fertilizers into the furrow to dissolve; the application rates per mu can be 15-30 kg, 10 kg and 10 kg respectively. If there is no water shortage, a hole can be dug in the middle of every four eggplant plants, and fully decomposed farmyard manure can be placed in the hole. Note that topdressing should be determined according to plant growth and daily yield, and fertilizer damage must be strictly prevented.

Eggplant is prone to powdery mildew in summer, so special attention should be paid to it. When the disease occurs, spots of white powdery mold appear on the leaf surface, and the mold spots gradually enlarge and darken in color. In severe cases, the entire leaf is covered with white powder. At the same time, mold spots also appear on the back of the leaf, petiole, fruit stalk and calyx. The disease occurs easily under conditions of 25°C-28°C and 50%-80% humidity, and incidence decreases when humidity reaches 100%. In the Sichuan region, the disease mainly occurs severely during high temperature and drought, and occurs less during rainy periods. At the initial stage, powdery mildew-specific agents should be sprayed, such as: triadimefon (Fuxiuning), Fuxing, sulfur-multisulfide suspension concentrate, myclobutanil, Cuibei and other agents. Because eggplant leaves have many epidermal hairs, in order to increase the adhesion and spreading of the agent, 0.1%-0.2% washing powder can be added when spraying, or 27% high-fat film emulsion at 300 times dilution can be mixed in. The mist droplets should be fine, the amount of water used should be sufficient, and spraying should be uniform.

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