According to the cucumber's fertility requirement, the cucumber in the protected area must be reused as the base fertilizer, and generally the quality and quality of the organic fertilizer should be 5,000 to 7,500 kilograms per mu and the phosphorus and potash fertilizer should be applied in an amount of 20 to 30 kilograms. Cucumber is a shallow root system, shallow into the soil, planting to shallow planting.
Cucumber should be top-dressed several times in the growth and development process. The quantity of topdressing should not be too large, and it should be applied in small amounts for several times.
(1) Qiaomiao Miaofei: After easing the seedlings, the roots should be controlled and the roots should be controlled. The plant length should be controlled as much as possible to promote root development. Therefore, the amount of fertilizer should not be too large. Generally can be applied 5 ~ 7.5 kg of urea or 500 kg of decomposed manure water, 5 cm from the plant, after the ditch applied into the soil watering.
(2) Result fertilizer: When the cucumber enters the result period, it should be top-dressed and filled with water in a timely manner. Usually, Mushi urea or diammonium phosphate is 15 to 20 kilograms, and the dark ditch is flushed with water. After the cucumbers reach the fruit stage, the fertilizer needs to reach the peak period. During this period, the fertilizer is generally chased once every 10 to 15 days. In the dark ditch, ammonium nitrate or diammonium phosphate 15 to 20 kg per mu, or decomposed and diluted Excrement 400 to 500 kg.
Huaxian County Soil Fertilizer Station Zhao Dongli
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