Facilities cucumber pay attention to "lose weight"
Whether it is autumn and winter pods, overwintering pods or winter and spring planting cucumbers, there is a phenomenon of blind over-fertilization in production. Attention should be paid to “lose weightâ€.
Advocate the use of high-quality organic compost, the old vegetable shed should pay attention to the application of more compost with more straw, less use of poultry manure, and the combination of organic and inorganic fertilizers and straw return. According to the soil fertility conditions and the application amount of organic fertilizers, the nitrogen, phosphorus and potassium fertilizer dosages were appropriately adjusted. Use reasonable irrigation techniques and follow the principle of small amount of irrigation and fertilization. After planting, seedlings should not be top-dressed frequently, and nitrogen fertilizer and potash fertilizer should be applied in stages, with a small number of times, to avoid top-dressing of compound fertilizer with high phosphorus content, and attention should be paid to top-dressing in the middle and later stages. When acidification of vegetable fields is severe, suitable acidic soil conditioners such as lime should be applied.
Nursery fertilizer, apply 10 to 100 m2 of rotten organic fertilizer 60 to 100 kg, 0.5 to 1 kg of calcium magnesium phosphate, 0.5 kg of potassium sulfate, according to the seedlings sprayed 0.05% to 0.1% urea solution 1 to 2 times.
Basal fertilizer, application of high-quality organic fertilizer 3 to 4 cubic meters.
Top dressing, acre yield 14,000 to 16,000 kilograms of vegetable fields, 45 to 50 kilograms of nitrogen fertilizer (per acre, purified, the same below), phosphate fertilizer 20 to 25 kilograms, potash 40 to 45 kilograms; per mu output level 110,000 to 1.4 Ten thousand kilograms, 37 to 45 kilograms of nitrogen fertilizer, 17 to 20 kilograms of phosphate fertilizer, 35 to 40 kilograms of potash, 7000 to 11,000 kilograms of per mu, 30 to 37 kilograms of nitrogen fertilizer, 12 to 16 kilograms of phosphate fertilizer, and 30 to 35 kilograms of potash fertilizer; The yield per mu is between 4000 and 7000 kg, 20-28 kg of nitrogen fertilizer, 8-11 kg of phosphate fertilizer, and 25-30 kg of potassium fertilizer.
If drip fertilization is used, 20% of fertilizer can be reduced. If the flood water is flooded, the amount of fertilizer should be increased by 10% to 20% for each fertilization. All organic fertilizers and phosphate fertilizers were used as base fertilizers. The initial flowering period was dominated. All nitrogen fertilizers and potash fertilizers were applied for six to eleven times in accordance with the nutrient demand during the growth period. The amount of topdressing nitrogen fertilizer was not more than 5 kg each time. The nitrogen and potassium fertilizers in autumn and winter and winter and spring soil were divided into 6 to 7 top dressings, and the nitrogen and potassium fertilizers in wintering and long-term alfalfa were topdressed 10 to 11 times.
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