小麦覆膜播种机在陕西问世西安拖拉机厂新开发研制的小麦覆膜播种机系列产品，最近通过省级技术和投产鉴定。专家认为，这种能使施肥、播种、覆膜一次完成的农机具，达到了国内先进水平，属我国干旱、半干旱地区重大农业技术推广项目。这家国家重点生产拖拉机的企业，今年... Wheat film planter came out in Shaanxi Xi’an Tractor Factory developed a new wheat sowing machine series of products, recently passed the provincial-level technology and production identification. Experts believe that this can make fertilization, sowing, laminating a complete agricultural machinery, has reached the advanced level in China, is a major agricultural technology in arid and semi-arid areas of China to promote the project. This country focus on the production of tractor business, this year ...