The key to greenhouse cucumbers is management and management, which can effectively increase production.
1. Use light smoked shed method. When the cucumber seedlings grow to 1 to 4 true leaves, light smoke is added to the greenhouse and kept sealed for 2 to 3 days and nights. This can increase cucumber female flowers and increase cucumber yield because the smoke contains carbon monoxide, which inhibits the body of the seedlings. Oxidation process, so that the formation of many female flowers. At the same time, smoked can also kill cucumber spider mites.
2. Conduct artificial pollination. Cucumbers are unisexual flowers, which are divided between male and female. In Datian, they rely on insects to pollinate. Because there is no insect as a medium in temperature control, it will cause poor pollination affecting cucumbers. After the flowering of the cucumber, the stamens of the male flowers collected are applied several times to the stigmas of the female flowers to achieve the purposes of artificial pollination, reducing the shedding of the female flowers and increasing the rate of the seated cucumbers. At the same time, the melons are large, long, and delicious.
3. Use foliar spray fertilizer method. Spraying 1% urea aqueous solution at the seedling stage can promote early-onset seedling growth, and can also spray 0.5% ferrous sulfate aqueous solution to promote seedling growth and strong green color. At the time of 7 leaves, 0.2% boric acid aqueous solution was sprayed to prevent falling. When a large amount of melons were sprayed, 0.3% potassium dihydrogen phosphate and 1% urea were mixed to supplement the fat and promote melon production.
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