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Year 2010 Remove constraint 2010: 2010 Subjects quantitative analysis Remove constraint quantitative analysis: quantitative analysis Subjects soil depth Remove constraint soil depth: soil depth

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1. Chemical structure of soil organic matter in slickspots as investigated by advanced solid-state NMR

Description:: Includes references
Author:: Mao, Jingdong , Palazzo, Antonio J. , Olk, Dan C. , Clapp, C. Edward , Senesi, Nicola , Bashore, Terry L. , Cao, Xiaoyan
Subject:: soil chemistry , soil organic matter , humic acids , soil organic carbon , nitrogen , quantitative analysis , chemical structure , saline soils , nuclear magnetic resonance spectroscopy , spectral analysis , soil depth , silty soils , clay soils , Idaho
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

2. Tillage effects on intracellular and extracellular soil urease activities determined by an improved chloroform fumigation method

Description:: Includes references
Author:: Qin, Shuping , Hu, Chunsheng , Wang, Yuying , Li, Xiaoxin , He, Xinhua
Subject:: soil chemistry , ammonia , quantitative analysis , urease , enzyme activity , no-tillage , reduced tillage , plowing , extracellular space , methodology , soil fumigation , chloroform , protein degradation , proteinases , denaturation , surface layers , soil depth , soil organic carbon , soil microorganisms , microbial activity , soil quality , China
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010