Search National Agricultural Library Digital Collections

You searched for:

Authors Olk, D.C. Remove constraint Olk, D.C.: Olk, D.C. Subjects literature reviews Remove constraint literature reviews: literature reviews
Displaying all 2 items start over

1. A Chemical Fractionation for Structure-Function Relations of Soil Organic Matter in Nutrient Cycling

Description:
Includes references
Author:
Olk, D.C.
Subject:
soil nutrient dynamics , soil organic matter , biogeochemical cycles , fractionation , soil chemistry , extraction , land use change , humic acids , humates , nitrogen , mineralization , tropical soils , cropping systems , nutrient uptake , potassium , flooded conditions , rice , cotton , phenolic compounds , soil chemical properties , cations , case studies , literature reviews
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

2. Chemical stabilization of soil organic nitrogen by phenolic lignin residues in anaerobic agroecosystems

Description:
In the special issue: Ecosystems in Flux: Molecular and Stable Isotope Assessments of Soil Organic Matter Storage and Dynamics / edited by T.W. Boutton and T.R. Filley.
Author:
Olk, D.C. , Cassman, K.G. , Schmidt-Rohr, K. , Anders, M.M. , Mao, J.D. , Deenik, J.L.
Subject:
agroecosystems , rice , Oryza sativa , anaerobic conditions , wet environmental conditions , nitrogen , phenols , lignin , crop residues , chemical degradation , immobilization in soil , soil organic matter , mineralization , intensive cropping , Glycine max , soybeans , crop rotation , no-tillage , temperate zones , taro , Colocasia esculenta , crop yield , literature reviews , Hawaii , Arkansas , Asia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006