Summer is the peak season for eggplant and fertilizer requirements. How can fertilization meet the needs of eggplant and achieve high yields? Should master the following skills:
1. Trench fertilizer. Summer hot season should not be used with water flushing. Because the temperature is higher, when the chemical fertilizer is flushed, a large amount of ammonia volatilizes will reduce the fertilizer effect. 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.
2. A reasonable match. Although eggplant is the most demanding nitrogen fertilizer, phosphorus and potassium fertilizers are also indispensable. In the full fruit period, it is best to apply two compound fertilizers at a rate of three to 30 kg per acre to meet the needs of eggplant growth and results.
3. Pay attention to usage. Eggplant requires the most amount of nitrogen, but in the hot season, it is necessary to eat less. Each time, the application of urea per acre should generally be controlled within 20 kilograms, and ammonium bicarbonate should not exceed 30 kilograms per acre. If the amount of fertilizer is too large, besides causing the loss of nutrients, it will also cause damage to the leaves and fruits of the eggplant.
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