Cucumber is a kind of high-yield vegetable. It has a long period of time, and it needs long-term nutrition to meet the needs of growth and development. The production of 1000 kg of cucumber requires 2.6 kg of pure nitrogen, 1.5 kg of phosphorus pentoxide, and 3.5 kg of potassium oxide. Before the cucumber is planted, the high-quality organic fertilizer is 5000~7500 kg and the phosphate fertilizer is 25-30 kg. When the cucumber enters the early stage of the melon, the first top dressing is applied. The nitrogen fertilizer is applied for 10 to 15 kg of nitrogen fertilizer, and the phosphorus and potassium fertilizers are 15 to 20 kg each. After every 7 to 10 days, the water is added to the fertilizer once, and the whole cucumber is topdressed with fertilizer. 10 times. Foliar spray can also be carried out by mixing the chemical fertilizer concentration of 0.3% with the scientific name of the melon squid, also known as the group fish.
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