补播羊草沙打旺更新退化人工草场

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本文通过对六年试验资料的系统分析,总结出了适于半荒漠人工草场补播的草种、播期及所取得的生态效益和经济效益。试验证明,选择植被稀疏,退化严重,地势平坦的撞田地和弃耕地,进行翻耕补播羊草、沙打旺等优良牧草,效果十分显著。
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