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wei feng dui sha hua cao di zhi wu qun luo bian hua de ying xiang
Pages: 38-39
Year: Issue:  2
Journal: Liaoning Journal of Animal Husbandry and Veterinar

Abstract: <正>天然草地是草原畜牧业的物质基础和能量转化的起点。然而,由于自然和人为因素的双重影响,导致草地沙化退化严重,影响了生态环境和畜牧业的发展。针对沙化草地的特点,依据植物群落的演替规律,我们在辽宁北部科尔沁沙地南缘沙化草地进行了围封育草试验,发现了不同围封时期对草地牧草产
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