长期免耕和深松提高了土壤团聚体颗粒态有机碳及全氮含量
李景1,2(
),吴会军2(),武雪萍2(),王碧胜3,姚宇卿4,吕军杰4
),吴会军2(),武雪萍2(),王碧胜3,姚宇卿4,吕军杰4
Long-Term Conservation Tillage Enhanced Organic Carbon and Nitrogen Contents of Particulate Organic Matter in Soil Aggregates
LI Jing1,2(),WU HuiJun2(),WU XuePing2(),WANG BiSheng3,YAO YuQing4,LÜ JunJie4
),WU HuiJun2(),WU XuePing2(),WANG BiSheng3,YAO YuQing4,LÜ JunJie4
图4. 不同耕作措施下土壤密度组分全氮含量及对团聚体全氮的贡献率
Fig. 4. TN contents and relative contribution of density fractions with aggregates under different tillage treatments
