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West melon applying bio-organic fertilizer technology
West melon is a crop that is tepid, heat-resistant, afraid of low temperature, and dying. The absorption of nitrogen, phosphorus and potassium in the whole growth stage of melon was most potassium, and the ratio of nitrogen, phosphorus and potassium was 2.8:1:3.7. The application of bio-organic fertilizers in melons was carried out in three stages. One was seedling stage, the other was transplanting stage, and the third was fruit enlargement stage. There were great differences in characteristics and quantity of required fertilizer in different stages. The preparation of nutritious soil for melon seedlings in the west is based on 2% of 5% nutrient bio-organic fertilizer, 6% of ripe and fertile vegetable garden soil, and 2 parts of fine sand, and 100 kg of nursery soil is added with 0.5 kg of ammonium sulfate and 1 kg of superphosphate. One kilogram of potassium sulfate was added. The available nutrients were mixed evenly with the nursery soil in order to avoid localized high nutrient concentrations and to inhibit seedling growth. The land on which the melons are planted should be ploughed before the first winter of the year, deep-turned 20-30 days before transplanting, and used for digging trenches. Generally, 80-120 kilograms of bio-organic fertilizer is applied in Mushi, and 10-15 kilograms are applied. Urea. West melon needs a large amount of fertilizer, the basic principle of top dressing is: light Miao Fei, first promote the control after the application of extension vinegar, sit after the young fruit and re-apply expansion of melon, the first melon harvest after the application of fertilizer . Seedling stage can be applied according to seedling growth available nitrogen fertilizer. The method is to use a wooden stick to dig a hole with a diameter of 2-3 cm and a depth of 10 cm from the base of the seedling 10 cm. After applying the fertilizer, cover the soil with water, or dissolve the fertilizer into a hole in the water to allow the water to infiltrate. Seal it again. Extension of vines to re-apply 1 rush vinegar, mainly bio-organic fertilizer, with appropriate amount of fertilizer available. The specific approach is: When starting the 'fighting tap', on the side of the raft, open a wide, deep 10 cm trench at a distance of 20 cm from the root, and apply 20-30 kg of bio-organic fertilizer to the mu and apply 5-7 kg of urea. , Superphosphate 10-15 kg, covered with soil after application is completed. Into the expansion of the melon period, Mushi biological organic fertilizer 30 kg, with 10-15 kg of urea, potassium sulfate 10-15 kg. Excerpted from China Agricultural Press>