怎样防止地膜棉早期旺长和后期早衰近年来，我省不少棉区地膜棉不同程度地发生了早期旺长与后期早衰现象，并呈严重发展趋势。据盐山县棉技站１９９２～１９９３年间试验调查结果证明，地膜棉发生早期旺长和后期早衰现象的主要原因是，由于地膜的增温、保墒作用，加透了土... How to prevent the early prosperous and late mulberry cotton In recent years, many cotton mulch in our province occurred in varying degrees, the phenomenon of early Mongolian and late premature aging, and a serious trend of development. According to Yanshan County cotton station from 1992 to 1993, the results of the pilot survey showed that the main reason for the phenomenon of premature wilt and late premature aging of plastic mulch cotton was that the effect of preserving soil moisture was added through the mulching ...