Organic fertilizer not only supplies various nutrients for cucumber growth and development, but also reduces soil bulk density, increases soil porosity, and improves soil physical and chemical properties. Therefore, organic fertilizer plays a major role in the sustained high yield of cucumber, activation and improvement of soil.
Second, the rational application of fertilizer.
Cucumber roots are shallow, relatively weak, and the fertilization concentration is too high, causing root burning. Cucumber should be eaten with more fertilizers, and the base fertilizer should be 25-30 kg of diammonium and 23-27 kg of potassium sulfate. During the growth process of cucumber, it is necessary to topdress at any time. The total amount is 47-53 kg of urea and 52-58 kg of potassium sulfate. The top dressing time is generally controlled in the early stage, and the nitrogen fertilizer and potash fertilizer are used once every 7-10 days in combination with irrigation and picking in the late growth stage (or the fertilization with equal nutrient content).
Third, spray foliar fertilizer.
The use of foliar fertilizers is generally in the period of fruiting, and the nutrients in the early stage are sufficient. After the melon is planted, the required fertilizer is large, and the leaf surface is sprayed with a new high-fat film + Zhuang Gualing to supplement the nutrients required by the plant.
Fourth, the application of biological fertilizer.
Increasing the application of organic fertilizers and biological bacterial fertilizers to reduce fertilizers is an inevitable choice for the production of pollution-free green food. The newly built greenhouses are applied with 8 kg of high-quality organic biological fertilizers one time. The cucumbers grow robustly, sitting more melons, melons are long, and The picking period can be extended.
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