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西瓜是开封沙区的特产,久负盛名,远销省内外。但是最近几年,由于大粪饼肥紧缺以及不合理地增施氮素化肥,西瓜品质下降,外销不畅,加上西瓜播期单一,成熟期短、上市集中,价格不稳,严重影响着西瓜生产的发展。为了充分发挥沙区优势,延长市场西瓜供应时间,增加社员经济收入,促进西瓜生产的发展,我们开展了利用地膜复盖新技术,促进西瓜早熟、高产、高效益的技术研究,并在整
Watermelon is a specialty of Kaifeng sand area, prestigious, sold inside and outside the province. However, in recent years, due to the shortage of large dung cake and the unreasonable increase of nitrogenous fertilizer, the quality of watermelon declined and the export was sluggish. With the single sowing date of sowing watermelon, short maturity, centralized listing and price instability, the watermelon production was severely affected development of. In order to give full play to the advantages of sand area, to extend the market supply of watermelon, increase economic income of members, and promote the development of watermelon production, we carried out the use of new technology of plastic film to promote premature, high yield and high efficiency of watermelon technology research,