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银杏园土壤酶活性与土壤肥力的关系研究
唐艳; 杨林林; 叶家颖;   
1.广西柑桔研究所!广西桂林541004;2.广西师范大学!广西桂林541004
摘要:
研究了银杏土壤酶活性与土壤肥力的关系,试图探索利用土壤酶活性作为评价银杏果园土壤肥力的指标。结果表明,有3种酶的活性与土壤肥力存在着极为密切的关系,酶活性随土壤肥力的高低而有规律地变化。根据相关分析,该土壤的脲酶、蛋白酶、转化酶的活性均与土壤有机质、全氮、全磷、碱解氮、速效磷、速效钾及银杏果实产量呈极显著相关。不同土壤酶活性之间也存在极显著的相关性。因此,土壤酶活性作为评价银杏土壤肥力水平的指标是可行的。
关键词:  银杏  土壤酶活性  土壤肥力  相关性  
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