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首頁＞最新動態＞最新消息 |
日期:2017/05/06
內容:大田裡的塑膠地膜，人們已經司空見慣。地膜是一種塑膠薄膜，在大田上鋪上它，可以用來增溫、保濕、保肥、防蟲、保土等等作用。尤其是對一些缺少水分乾旱山坡的土地，最有明顯的效果。三十年來，中國地膜覆蓋面積和使用量一直位居世界第一，每年差不多要用100萬噸以上...(繼續閱讀)
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