There are many factors that cause cucumber deformity, but the main reason is improper fertilization. The proportion of fertilizer should be appropriate. Cucumber needs the proportion of nitrogen, phosphorus, potassium, seedling period is 4.5: 1:5.5, the melon period is 2.5: 1: 3.7, the ratio of nitrogen and potassium is greater than phosphorus, the demand of potassium is greater than nitrogen, so potassium can not be ignored. Excessive fertilization and high soil salinity hinder cucumbers from absorbing water and nutrients. This not only affects the growth of cucumber plants, but also the malformation of the melons. Therefore, the amount of cucumber fertilization should be appropriate, generally 2.8-3.2 kg of nitrogen fertilizer, 1.2-1.8 kg of phosphate fertilizer, and 3.6-4.4 kg of potassium fertilizer are needed for every 1000 kg of cucumber produced. Pay attention to late fertilization. With the harvest of cucumber, nutrients are continuously depleted and stable and long supply of nutrients is required. If the top dressing is neglected at the later stage, the cucumber is prematurely attenuated due to lack of fertilizer, the effective harvesting period is shortened, the yield of cucumber is reduced, and the malformation of melons such as melons are increased. In order to ensure the need of nutrients in the later period, generally cucumbers need to be topdressed for 8 to 10 times after planting, but also combined with the application of organic fertilizers.
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