One bogey with water. Many vegetable farmers have the habit of applying chemical fertilizers with water, but it is very unsuitable under high temperature conditions in summer. Because of the high temperature, nitrogen fertilizers, especially ammonium bicarbonate, are easily decomposed and volatilized. The ammonia produced by decomposition not only reduces the fertilizer efficiency, but also easily causes eggplant ammonia poisoning. Therefore, when applying fertilizers such as urea and ammonium bicarbonate, it is necessary to take a ditch or a hole.
Second, the amount of one-time fertilization is too large. Eggplant has a large demand for nitrogen fertilizer during the fruit-bearing period, but in high-temperature weather conditions, the “small number of times†fertilization method should be adopted, and the one-time application amount should not be too large. Generally, the topdressing is applied once every 7 days, and 10-15 kg of urea is applied per acre.
Three bogey single nitrogen fertilizer. In the top dressing, you can't only apply nitrogen fertilizer every time. In the fruiting period, it is necessary to apply phosphorus and potassium fertilizer 2 to 3 times, preferably with ternary compound fertilizer to meet the needs of eggplant growth and results, and also to improve the quality of the eggplant.
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