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地膜覆盖是农业保护地栽培上的一项重要措施,具有保墒、增温、除草等多项功能。在粮食作用上一般能增产30%～50%,在经济作物上一般增加200～500元/667m2。自20世纪80年代以来,我国对地膜覆盖技术进行了示范和推广应用,产生了较好的经济效益和社会效益。1小麦地膜覆盖栽培技术1.1地膜覆盖小麦技术的示范应用夏邑县2000年开始引进小麦地膜覆盖穴播技术,经过几年试验,发现这项技术在实际应用中存在多项不足之处,主要是播种深度和保墒方面不能保证有效功
Film mulching is an important measure in the cultivation of agricultural reserves. It has many functions such as preserving soil moisture, increasing temperature and weeding. In the role of food can generally increase 30% to 50%, in the general increase in cash crops 200 ~ 500 yuan / 667m2. Since the 1980s, our country has demonstrated and popularized and applied the plastic film mulching technology, resulting in good economic and social benefits. 1 wheat film mulching cultivation technology 1.1 mulching wheat demonstration and application of technology Xiayi County in 2000 began to introduce wheat mulching film mulching technology, after several years of testing and found that the technology in the practical application of a number of deficiencies, mainly sowing Depth and moisture content can not guarantee effective work