Melon soil testing formula fertilization technology method

October 03, 2020

1. Fertilizer requirements: Muskmelon requires large amount of fertilizer. At the seedling stage, the absorption of nutrients is the least. The absorption of nitrogen, phosphorus, and potassium after flowering is gradually increased. The peak absorption of nitrogen and potassium is about 16 to 17 days after fruit setting, after fruit setting. From 26 to 27 days, it dropped sharply. Phosphorous and calcium absorption peaks 26 to 27 days after fruit setting, and continue to fruit ripening. Flowering to the end of the fruit expansion period of about 1 month is the period when melons absorb most of mineral nutrients, and is also the maximum efficiency period of fertilizer. Calcium and boron not only affect the sugar content of fruit, but also affect the appearance of the fruit. When calcium is insufficient, the surface of the fruit is coarsely textured and whitened, and when the boron is deficient, the flesh tends to appear brown spots. Muskmelon is a bogey crop and should not be applied with fertilizers such as ammonium chloride and potassium chloride.
2. Fertilization technology: The fertility of muskmelon during the whole fertility cycle is 3000-3500 kg of organic fertilizer (or 400-450 kg of commodity organic fertilizer), 18-21 kg of nitrogen fertilizer, 6-8 kg of phosphate fertilizer, and potassium fertilizer 8-10. kilogram. Organic fertilizer is used as a base fertilizer, nitrogen and potassium fertilizers are used as base fertilizers and three top dressings, all base fertilizers for phosphate fertilizers, and chemical fertilizers and manure (or commodity organic fertilizers) are mixed and applied. Basal fertilizer: Basal fertilizer is dominated by organic fertilizer, with suitable quantified fertilizer. General Mushi farmyard fertilizer 3000-3500 kg or commodity organic fertilizer 400-450 kg, urea 5-6 kg, 13-17 kg of ammonium phosphate, potassium sulfate 5-6 kg. Top-dressing: top dressing man-made fertilizer: Mushi 9-10 kg of urea, potassium sulfate 3-4 kg. Early fruit enlargement: Mushi urea 12-14 kg, potassium sulfate 4-6 kg. Mid-term fruit dressing: Mushi urea 9-10 kg, potassium sulfate 3-4 kg. Root dressing: after spraying fruit, spray 0.3% potassium dihydrogen phosphate solution every 7 days or so and spray 2 or 3 times.

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