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The secret of good taste of cucumber in greenhouse
1. Choose a good variety: the variety chooses Zhongnong 26. The plant grows strong, the leaves are dark green and uniform, mainly composed of main vines; melons are short, the heart is small, the flesh is green, the taste is crisp and sweet, the commodity melon rate is high; the high resistance to powdery mildew, downy mildew disease.
2, the foot of the base (base) fertilizer: ample application of fully decomposed chicken manure, cow dung 10000 kg, NPK ternary compound fertilizer (15-15-15) 80-100 kg, mixed and applied to the surface, deep 30-40 cm, 耙 flat to do 畦.
3, under-film drip irrigation: after the autumn extension and winter and spring low-temperature season cultivation of cucumber, the application of membrane drip irrigation technology can effectively control the temperature and humidity in the greenhouse, prevent frost damage and reduce the occurrence of disease, water saving, fertilizer 50 than traditional irrigation and fertilization methods %the above.
4. Balanced topdressing: control the application of nitrogen fertilizer at the seedling stage to avoid plant growth; during the flowering period, apply high-potassium, high-phosphorus compound fertilizer and bio-organic fertilizer; in the seedling stage, the initial flowering stage and the young melon stage, also spray the rare earth on the leaf surface Micro-fertilizer and potassium dihydrogen phosphate foliar fertilizer.
5, plant adjustment: melon grows to 25 cm to lead the vine, in time to remove the lower part of the branch, keep the melon growing. When the main vine has no female flowers, the side vine results are used, and the first leaf is topped. When the melon faucet is close to the greenhouse roof, it will fall, and the whole growing season will fall 2 or 3 times.
6, to avoid low temperature or high temperature: adjust the temperature to avoid the formation of bitter melon temperature limit. After the seedlings are warmed, the temperature during the day is kept at 25-30 °C, and at night is 12-15 °C; when the temperature is changed into the melon period: 28 °C ± 2 °C in the morning, 23 °C ± 2 °C in the afternoon, and 15 °C ± 2 °C in the night.
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