Soil Organic Matter in Temperate AgroecosystemsLong Term Experiments in North America

Front Cover
The presence - or absence - of soil organic matter (SOM) has important implications for agricultural productivity. It could also have significant implications for global climate due to its role as a source/sink of carbon. Therefore, it is important to understand the issues related to the accumulation or loss of SOM, to use what we have learned from experiments to make sound decisions about soil and crop management, and to test models and future concepts concerning SOM management. A database is included with the book, presenting tabular data for 34 sites in North America.
Soil Organic Matter in Temperate Agroecosystems discusses all of these issues and more, answering such questions as:
 

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Contents

Management Controls on Soil Carbon
15
Characterization of Soil Organic Carbon Relative to Its Stability and Turnover
51
Crop Residue Input to Soil Organic Matter on Sanborn Field
73
SITE MANAGEMENT EFFECTS ON PRODUCTIVITY
103
LongTerm N Management Effects on Corn Yield and Soil C of an Aquic Haplustoll
121
Impacts
141
Soil Organic Carbon Changes Through Time at the University
161
Organic MatterRelated Soil Properties
171
Changes in Ecosystem Carbon 46 Years after Establishing Red Pine Pinus resinosa Ait
263
SITE MANAGEMENT EFFECTS ON PRODUCTIVITY
271
Soil Organic Matter Dynamics in LongTerm Experiments in Southern Alberta
283
Crop Production and Soil Organic Matter in LongTerm Crop Rotations in
297
A Conservation TillageCropping Systems Study in the Northern Great Plains
335
in Western Nebraska
343
Soil Carbon and Nitrogen Change in LongTerm Agricultural Experiments
353
LongTerm Tillage and Crop Residue Management Study at Akron Colorado
361

Management Impacts on SOM and Related Soil Properties in a LongTerm Farming
183
Crop Rotation Manure and Agricultural Chemical Effects on Dryland Crop Yield
197
Effect of 100 Years of Cropping on Soil Parameters
205
Soil Organic Matter under LongTerm NoTillage and Conventional Tillage Corn
227
LongTerm Patterns of Plant Production and Soil Carbon Dynamics in a Georgia
235
Soil Carbon Level Dependence upon Crop Culture Variables in
247
Management of Dryland Agroecosystems in the Central Great Plains of Colorado
371
Management Effects on Soil Organic Carbon and Nitrogen in
381
Management of DryFarmed Southern Great Plains Soils for Sustained Productivity
387
Nitrogen Rate and Application Method Effects
406
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