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

图2 小麦不同生育时期不同土层土壤蔗糖酶活性变化

Fig.2 Changes of invertase activities in different soil layers of wheat at different growth stages