Eggplant in the summer with no fat blindness
1, right amount. Eggplant requires the largest amount of nitrogen, but in the hot season, eat less. The application of urea per acre should be controlled within 30 kg. Because of the high temperature season, the rate of transformation of urea into the soil is relatively fast. After the plants meet their needs, the excess will be lost. Especially sandy soil, the proportion of loss will be greater. It is more appropriate for ammonium bicarbonate to not exceed 40 kg per acre. If the application amount is too large, besides causing loss of nutrients, it will also cause ammonia damage to leaves and fruits of eggplant. 2, law. It is customary for vegetable farmers to use chemical fertilizers with water, but this method should not be used in summer hot season. Because of the high temperature, a large amount of ammonia volatilizes will reduce the effect when chemical fertilizer is used. Especially ammonium bicarbonate is more likely to cause eggplant ammonia poisoning. The use of trenching or digging a hole to bury the best. The thickness of the buried soil after dressing should be not less than 5 cm to reduce the volatilization of the active ingredients of the fertilizer. 3, a reasonable match. Although eggplants require the greatest amount of nitrogen, phosphorus and potassium fertilizers are indispensable, and only nitrogen fertilizers can be applied topdressing each time. In the full fruit period, it is advisable to top-dress 2 times in total to not less than 40 kg in order to meet the needs of eggplant production and results.