【摘 要】
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一膜二用在粮食生产中的作用及推广前景董进孝，胡正邦，郑升铭（天水市农学会天水７４１０００）地膜覆盖是天水市温饱工程项目的主要增产措施。１９９２年全市地膜覆盖粮食作物面积４４．７１万亩，占全省地膜覆盖面
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一膜二用在粮食生产中的作用及推广前景董进孝，胡正邦，郑升铭（天水市农学会天水７４１０００）地膜覆盖是天水市温饱工程项目的主要增产措施。１９９２年全市地膜覆盖粮食作物面积４４．７１万亩，占全省地膜覆盖面积的１３％，其中玉米地膜覆盖面积４２．９５万，占玉...
Effect of One Film and Two Used in Food Production and Promotion Prospects Dong Jinxiao, Hu Zhengbang, Zheng Shengming (Tianshui Agricultural Association, Tianshui 741000) Mulching is the main stimulation measure for the project of food and clothing supply in Tianshui city. In 1992 the city covers an area of 447,100 mu of film mulching crops, accounting for 13% of the province’s mulching area, of which mulching area of 429,500 mul ...
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