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1. Altering soil carbon and nitrogen stocks in intensively tilled two-year rotations

Description:
Includes references
Author:
Griffin, T.S. , Porter, G.A.
Subject:
Zea mays , corn , Solanum tuberosum , potatoes , Phaseolus vulgaris , beans , crop rotation , Trifolium pratense , cover crops , soil amendments , green manures , composting , carbon , nitrogen content , tillage , continuous cropping , soil organic matter , soil microorganisms , soil nutrient dynamics , Maine
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Bulk density as a soil quality indicator during conversion to no-tillage

Description:
In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:
Logsdon, S.D. , Karlen, D.L.
Subject:
no-tillage , ridge tillage , conventional tillage , soil quality , soil compaction , bulk density , soil water content , loess soils , crop management , continuous cropping , crop rotation , corn , Zea mays , soybeans , Glycine max , alfalfa , Medicago sativa , crop yield , landscape position , agricultural watersheds , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Midseason nitrogen fertility management for corn based on weather and yield prediction

Description:
Includes references
Author:
Derby, N.E. , Casey, F.X.M. , Kinghton, R.E. , Steele, D.D.
Subject:
Zea mays , corn , varieties , hybrids , growing season , grain yield , weather , nitrogen fertilizers , fertilizer application , soil fertility , nitrates , prediction , regression analysis , statistical models , evapotranspiration , continuous cropping , sprinkler irrigation , sandy loam soils , Hapludolls , North Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Tillage and crop influences on physical properties for an Epiaqualf

Description:
Includes references
Author:
Blanco-Canqui, H. , Gantzer, C.J. , Anderson, S.H. , Alberts, E.E.
Subject:
Epiaqualfs , silt loam soils , smectitic soils , mesic conditions , no-tillage , chiseling , plowing , Zea mays , corn , Glycine max , soybeans , continuous cropping , fallow , vehicles , traffic , wheel tracks , bulk density , soil organic matter , soil water retention , soil water potential , saturated hydraulic conductivity , soil physical properties , runoff , Missouri
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Tillage and rotation interactions for corn and soybean grain yield as affected by precipitation and air temperature

Description:
Includes references
Author:
Wilhelm, W.W. , Wortmann, C.S.
Subject:
Zea mays , corn , Glycine max , soybeans , plowing , discing , chiseling , subsoiling , ridge tillage , no-tillage , precipitation , air temperature , seasonal variation , crop rotation , cropping sequence , continuous cropping , grain yield , crop production , farms , silty soils , clay loam soils , Argiudolls , statistics , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Watershed-scale assessment of soil quality in the loess hills of southwest Iowa

Description:
In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:
Cambardella, C.A. , Moorman, T.B. , Andrews, S.S. , Karlen, D.L.
Subject:
soil quality , soil biological properties , soil chemical properties , soil physical properties , spatial distribution , ridge tillage , conventional tillage , long term effects , loess soils , silt loam soils , corn soils , continuous cropping , corn , Zea mays , hills , landforms , watersheds , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004