Watermelon fertilization seven bogey
One bogey single application of large amounts of nitrogen fertilizer Second bogey application of chlorine fertilizer Watermelon is a chlorine-tolerant crop, and the application of chlorine-containing fertilizers (such as ammonium chloride, potassium chloride, etc.) will affect the accumulation of sugar and make the melon taste lighter. Three avoid excessive application of human waste Excessive use of human excreta, easily lead to plant growth, making melons difficult, melon skin thick and taste sour. Four bogey fertilization on topsoil Pay attention to the deep application of watermelon fertilizer, timely covering after application, especially nitrogen fertilizer, if applied, nitrogen can easily evaporate to produce ammonia gas, harm the leaves, but also to reduce the effect of fertilizer. Five bogey rainy weather fertilization Rainy weather has high air humidity and high soil moisture. Fertilizer is not only easy to lose fertilizer, but also can cause watermelons to grow. Six bogey fertilization sites too close to the root The fertilization site of watermelon is generally required to be about 10 centimeters from the main root; it is easy to burn roots and affect plant growth. Seven bogey fertilizers during drought When the weather is dry and the soil moisture content is low, applying chemical fertilizer at this time will make the cytoplasmic solution of the root cells penetrate outward, causing the plant to be physiologically dry and die.
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The fertilization of watermelon is the most concerned with the combination of nitrogen, phosphorus and potassium. If a single application of large amounts of nitrogen fertilizer, the plants are extremely prolonged, which is not conducive to flowering melon and fruit development. The ratio of nitrogen, phosphorus and potassium, the seedling period should be 3.8:1:2.8, the extension period is 3.6:1:1.7, and the melon growth period is 3.5:1:4.6.
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