Time and method of fertilization for watermelon
Watermelon needs fertilizer characteristics and high-yield fertilization technology, time: watermelon stems and leaves luxuriant, fast growth, large fruits, high yield, need more fertilizer, but also requires comprehensive soil nutrients, if insufficient nutrition or improper nutrient ratio, it will seriously affect yield and quality.
1. Fertilization formula: Nitrogen, phosphorus and potassium can significantly improve the quality of watermelon by applying them in a suitable proportion. According to this principle, combining soil fertility and nutrient absorption characteristics of watermelon, a special fertilizer for watermelon was developed, which was composed of nitrogen, phosphorus, potassium and micro-fertilizer. The suitable proportion of controlled-release fertilizer (nitrogen-phosphorus-potassium) for watermelon mainly includes 18-14-18, 15-14-21, etc., and the middle and trace elements required for watermelon production are added into the controlled-release fertilizer for watermelon.
2. Fertilization time and method: Apply it as base fertilizer once before watermelon sowing, or determine the fertilizer period and interval time according to the release period of controlled-release fertilizer. Controlled release fertilizer as base fertilizer was applied once in furrow, and the distance between watermelon seedling planting and furrow fertilizer application was about 10 cm.
3. Fertilizer dosage: about 80 kg per mu, appropriately increased or decreased according to the target yield.
4, precautions: watermelon should not be applied chlorine-containing fertilizer, because watermelon is a chlorine-free crop, the application of chlorine-containing fertilizer will affect the quality of watermelon. Fertilization site should not be too close to the root of watermelon seedlings, beware of root burn seedlings.
5. Fertilization effect: lush stems and leaves, green leaves, strong vines; increased melon weight, increased yield; melon sweetness as a whole more uniform, nitrate content reduced, quality significantly improved.
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Watermelon planting techniques and management methods
Watermelon is a fruit that is loved by consumers, but there are still many melon farmers who encounter problems in the planting process of watermelon. Here we will talk about watermelon planting technology and management method. Watermelon planting management method 1, land selection and fertilization: watermelon planting should be selected soil layer
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