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川西南常绿阔叶林凋落物分解及养分释放对模拟氮沉降的响应
Authors
宋学贵
李伟
+4 more
武卫国
肖春莲
胡庭兴
鲜骏仁
Publication date
1 January 2007
Publisher
Abstract
通过原位进行了对照(CK)、低氮(LN,50kgN.hm-2.a-1)、中氮(MN,100kgN.hm-2.a-1)和高氮(HN,150kgN.hm-2.a-1)处理,研究了川西南天然常绿阔叶林凋落物分解及养分释放对模拟N沉降的响应.结果表明:凋落物分解95%需要4.72~6.33年,分解率最高的为CK,最低的为HN.经过365d,各处理的分解率均低于CK,仅HN与CK间差异显著(P<0.05);C残留率均高于CK;N和K残留率均显著高于CK(P<0.05);P残留率均高于CK,仅LN与CK间差异显著(
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Last time updated on 29/11/2016