减氮条件下有机物料还田对麦田酶活性及其土壤碳氮含量的影响

李春喜,李斯斯,邵云,马守臣,刘晴,翁正鹏,李晓波

Effects of Organic Materials Returning on Enzyme Activities and Soil Carbon and Nitrogen Content in Wheat Field under Nitrogen-Reducing Conditions

Chunxi Li,Sisi Li,Yun Shao,Shouchen Ma,Qing Liu,Zhengpeng Weng,Xiaobo Li

表4 土壤养分与酶活性的相关关系

Table 4 Correlation between soil nutrient and enzyme activity

指标 Index 脲酶活性 Urease activity 蔗糖酶活性 Invertase activity 有机碳含量 Organic carbon content 全氮含量 Total nitrogen content 脲酶活性Urease activity 1 蔗糖酶活性Invertase activity 0.905** 1 有机碳含量Organic carbon content 0.904** 0.846** 1 全氮含量Total nitrogen content 0.929** 0.930** 0.886** 1