1. When spraying ethephon cucumber seedlings to two true leaves, spray ethephon solution with a concentration of 200ppm and spray it again every other week to increase the yield of cucumber by 8.8 to 13.5%. Second, the short-day treatment in the cucumber 40 to 50 days after emergence, about 8 hours a day for short-day treatment, can promote female flower differentiation, increase the number of female flowers, thereby increasing production. Third, the spraying of red sugar liquid cucumber seedlings spraying 0.2% brown sugar liquid, can make the seedling thick, heart and leaves long. The spraying of 0.75 to 1% of brown sugar solution once a day, can make melon straight, high yield, good taste, and prevention of downy mildew. V. spraying urea solution in the cucumber seedling stage spray concentration of 0.3 ~ 1% of urea solution, can promote seedling growth; spray 0.5% concentration of ferrous sulfate solution, can make melon seedlings strong, dark green leaves; in cucumber long When spraying 7 to 8 true leaves, 0.2% borax solution is applied to protect the melons from falling. When a large amount of melons are sprayed, 0.3% concentration of potassium dihydrogen phosphate solution is sprayed, which can significantly increase the yield of cucumber. 6. Spraying rare earth nitrate solution Spraying 0.2~0.5% rare earth nitrate solution during seedling and initial flowering period can not only increase the output but also improve the quality. Raw Sunflower Seeds,Plain Sunflower Seeds,Unroasted Sunflower Seeds,Raw Sunflower Wuyuan county dafeng oil food co.,ltd , https://www.dafengfood.com.cn
Fourth, spraying the plant ash on the cucumber seedlings roots or leaves to sow the plant ash, spread about 10 days, sprinkled 4 to 5 times, both to prevent pests and diseases, but also improve the quality, generally increase production by more than 10%.