水是影响旱地小麦产量的主要限制性因素。山西省闻喜县在试验研究基础上，总结出旱地小麦地膜垄盖技术，使旱地小麦产量大幅度提高，走出了一条旱地小麦高产稳产的新路子。与此同时，农机部门研制成功相应的配套作业机械，不仅提高了这一技术的规范化程度，而且促进了小麦... Water is a major limiting factor affecting dryland wheat production. Based on the experimental research, Wenxi County, Shanxi Province, summed up the technology of plastic film ridge cover in dryland so that the output of wheat in dry land increased greatly and a new way of high and stable yield of wheat in dryland was emerged. At the same time, the successful development of agricultural machinery sector supporting the corresponding operating machinery, not only to improve the standardization of this technology, but also to promote the wheat ...