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Rational application of chemical fertilizer cucumber root shallow, relatively weak, excessive fertilizer concentration caused by burning root. Cucumber fertilizer used to eat less meals, the base fertilizer 25-kilograms of ammonium diamine, potassium sulfate 23-27 kg. During the growing process of cucumber, it is necessary to top-dress fertilizer at any time. The total amount of topdressing is 47-53 kg of urea and 52-58 kg of potassium sulfate. The top-dressing time is generally dominated by the early stage. In the late stage of growth, the nitrogen and potassium fertilizers (or fertilization with equal nutrients) are chased once every 7-10 days in combination with irrigation and picking.
The use of foliar fertilizers for spraying foliar fertilizers is generally at the stage of fruiting and the nutrients in the early stages are more abundant. After squashing, the fertilizer required is larger, and foliar spray fertilizer can supplement the nutrients needed by the plant.
Application of biological bacterial fertilizers to increase organic fertilizers and biological bacterial fertilizers to appropriately reduce chemical fertilizers is an inevitable choice for the production of pollution-free green foods. The newly-built greenhouses use high-quality organic biological fertilizers of 8 kilograms, the cucumbers grow robustly, sit in many melons, and melons Long, and can extend the picking period.
Shelf cucumber cucumber four fertilizer
Increasing organic manure organic fertilizer not only provides various nutrients for cucumber growth and development, but also can reduce soil bulk density, increase soil porosity, and improve soil physical and chemical properties. Therefore, organic fertilizer plays a major role in the continuous high yield of cucumber, activation and improvement of soil. During the production, 250,000 to 3,000 kilograms of pig manure or 5,000 kilograms of manure should be used to decompose the pigs.