1. There are many factors that cause cucumber deformity, but the main factor is improper fertilization.
2. The proportion of fertilization should be appropriate. Cucumber needs the ratio of nitrogen, phosphorus and potassium, the seedling period is 4.5:1:5.5, the ripening period is 2.5:1:3.7, the ratio of nitrogen and potassium is greater than phosphorus, and the requirement of potassium is greater than nitrogen, so the application of potash can not be ignored.
3. Fertilizer is too large and the soil salt concentration is high, which hinders the cucumber 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, it requires N2.8-3.2 kg for each 1,000 kg of cucumber, 1.2-1.8 kg for P2O5, and 3.6-4.4 kg for K2O.
4. 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 for nutrients in the later period, the cucumbers usually need to be topdressed 8-10 times after planting, but also combined with the application of organic fertilizers.
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