Four Films and One Felt Covering Cultivation Technologies to Promote Early Maturity of Watermelon in Plastic Greenhouse
In order to overcome the adverse conditions of low temperature,lack of sunlight,haze and late spring coldness in early spring and achieve early marketing of early spring watermelon,after years of practical experience,the four films and one felt covering cultivation technologies to promote early maturity of watermelon in plastic greenhouse have been summarized,which is a mode of plastic greenhouse+film inside the greenhouse+small arch shed+felt above the small arch shed+mulching film.By combining grafted seedling raising and efficient field management technologies,the first batch of watermelons could be on sale in mid to late April,and the second batch of watermelons could be on sale in mid to late May.The total output value of watermelons was 23 600 yuan per 667 m2,with a net income of 18 000 yuan per 667 m2.
plastic greenhousewatermelongrafted seedlingpromoting early maturity cultivationmulti-layer coveringmanagement of water and fertilizer
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