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Authors Unger, P.W. Remove constraint Unger, P.W.: Unger, P.W. Subjects Triticum aestivum Remove constraint Triticum aestivum: Triticum aestivum Subjects bulk density Remove constraint bulk density: bulk density

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1. Alternative and opportunity dryland crops and related soil conditions in the southern Great Plains

Description:: Includes references
Author:: Unger, P.W.
Subject:: Triticum aestivum , Sorghum bicolor , Brassica napus , Hibiscus cannabinus , triticale , crop rotation , water conservation , cropping systems , crop yield , soil water content , protein content , mortality , forage , soil fertility , diameter , bulk density , soil aggregates , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2001

2. Long-term tillage and cropping systems affect bulk density and penetration resistance of soil cropped to dryland wheat and grain sorghum

Description:: Includes references
Author:: Unger, P.W. , Jones, O.R.
Subject:: agricultural soils , bulk density , soil penetration resistance , resistance to penetration , stubble mulching , minimum tillage , no-tillage , dryland farming , Triticum aestivum , Sorghum bicolor , clay loam soils , crop rotation , slope , depth , soil water content , soil strength , dry environmental conditions , regression analysis , equations , Great Plains region
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1998

3. Soil bulk density, penetration resistance, and hydraulic conductivity under controlled traffic conditions

Description:: Includes references
Author:: Unger, P.W.
Subject:: bulk density , soil penetration resistance , hydraulic conductivity , controlled traffic systems , soil water content , soil organic matter , no-tillage , crop residue management , tillage , Triticum aestivum , wheat , Sorghum bicolor , grain sorghum , crop rotation , irrigation , furrows , clay loam soils , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1996

4. Soil hydraulic conductivity and retention curves from tension infiltrometer and laboratory data

Description:: Includes references
Author:: Evett, S.R. , Peters, F.H. , Jones, O.R. , Unger, P.W.
Subject:: infiltrometers , infiltration (hydrology) , soil hydraulic properties , soil water characteristic , hydraulic conductivity , bulk density , no-tillage , stubble mulching , conventional tillage , crop rotation , Triticum aestivum , wheat , Sorghum bicolor , grain sorghum , fallow , long term experiments , soil water content , saturated hydraulic conductivity , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1999

5. Surface soil physical properties after 36 years of cropping to winter wheat

Description:: 19 ref.
Author:: Unger, P.W.
Subject:: Triticum aestivum , winter wheat , continuous cropping , dryland farming , clay loam soils , tillage , cropping systems , soil aggregates , aggregate stability , soil organic matter , soil mechanical properties , soil penetration resistance , bulk density , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1982