为了解辽宁省近10年来农业产业结构发展情况,预测辽宁省农业各产业产值和多种农产品产量的变化趋势,本文以《辽宁省统计年鉴》2005......

Pollution of residual plastic film in arable lands is a severe problem in China. In this study, the status of residual f......