Search National Agricultural Library Digital Collections

Displaying items 1 - 10 of 13 start over

1. Amendments to increase aggregation in United States southeastern Coastal Plain soils

Description:
Includes references
Author:
Busscher, W. J. , Novak, J.M. , Caesar-TonThat, T.C. , Sojka, R.E.
Subject:
coastal plain soils , soil amendments , crop residues , Triticum aestivum , stubble , polyacrylamide , soil aggregation , soil aggregates , bulk density , soil penetration resistance , soil physical properties , loam soils , loamy sand soils
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

2. Crop Residue Effects on Runoff Nutrient Concentrations Following Manure Application

Description:
Includes references
Author:
Nicolaisen, J.E. , Gilley, J.E. , Eghball, B. , Marx, D.B.
Subject:
cattle manure , pig manure , soil amendments , crop residues , Zea mays , corn , Glycine max , soybeans , Triticum aestivum , winter wheat , losses from soil , agricultural runoff , phosphorus , nitrate nitrogen , ammonium nitrogen , nitrogen , manure spreading , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

3. Crop Sequence Effects on Leaf Spot Diseases of No-Till Spring Wheat

Description:
Paper presented at a symposium held November 6-10, 2005, Salt Lake City, Utah.
Author:
Krupinsky, J.M. , Tanaka, D.L. , Merrill, S.D. , Liebig, M.A. , Lares, M.T. , Hanson, J.D.
Subject:
Triticum aestivum , spring wheat , grain crops , cropping sequence , crop rotation , field crops , leaves , leaf spotting , lesions (plant) , necrosis , disease severity , Pyrenophora tritici-repentis , Leptosphaeria nodorum , plant pathogenic fungi , fungal diseases of plants , crop residues , North Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

4. Dry Weight and Nitrogen Content of Chickpea and Winter Wheat Grown in Pots for Three Rotations

Description:
Includes references
Author:
Bidlack, J.E. , MacKown, C.T. , Rao, S.C.
Subject:
Cicer arietinum , chickpeas , Triticum aestivum , winter wheat , container-grown plants , dry matter accumulation , nitrogen content , plant nutrition , crop rotation , cultivars , soil fertility , plant growth , crop residues , nitrogen fertilizers , fertilizer rates , dry matter partitioning , Bradyrhizobium , soil inoculation , waste management
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

5. Dryland plant biomass and soil carbon and nitrogen fractions on transient land as influenced by tillage and crop rotation

Description:
Includes references
Author:
Sainju, U.M. , Lenssen, A. , Caesar-Thonthat, T. , Waddell, J.
Subject:
soil , dry environmental conditions , soil analysis , plant growth , dry matter accumulation , soil organic carbon , nitrogen , tillage , crop rotation , cropping sequence , conventional tillage , no-tillage , spring wheat , Triticum aestivum , fallow , Lens culinaris , lentils , peas , Pisum sativum , soil chemical properties , crop residues , Great Plains region
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

6. Estimating Grain and Straw Nitrogen Concentration in Grain Crops Based on Aboveground Nitrogen Concentration and Harvest Index

Description:
Includes references
Author:
Kemanian, A.R. , Stockle, C.O. , Huggins, D.R.
Subject:
Hordeum vulgare , barley , Triticum aestivum , wheat , Zea mays , corn , Sorghum bicolor , grain sorghum , nitrogen content , straw , crop residues , simulation models , nutrient partitioning , dry matter partitioning , harvest index , calibration , species differences , plant nutrition , Washington
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

7. Evaluating GPFARM Crop Growth, Soil Water, and Soil Nitrogen Components for Colorado Dryland Locations

Description:
Includes references
Author:
Ascough, J.C. II , McMaster, G.S. , Andales, A.A. , Hansen, N.C. , Sherrod, L.A.
Subject:
decision support systems , agricultural management models , simulation models , grain yield , Triticum aestivum , winter wheat , Zea mays , corn , Sorghum bicolor , grain sorghum , Panicum miliaceum , millets , soil water content , soil profiles , crop residues , soil fertility , nitrate nitrogen , no-tillage , dryland farming , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

8. Evaluating the Sensitivity of an Unmanned Thermal Infrared Aerial System to Detect Water Stress in a Cotton Canopy

Description:
Includes references
Author:
Sullivan, D.G. , Fulton, J.P. , Shaw, J.N. , Bland, G.
Subject:
Gossypium hirsutum , cotton , canopy , water stress , plant stress , remote sensing , image analysis , infrared radiation , heat , sensors , dryland farming , irrigated farming , crop residues , winter wheat , Triticum aestivum , stomatal conductance , Alabama
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

9. Long-Term Tillage and Cropping Sequence Effects on Dryland Residue and Soil Carbon Fractions

Description:
Includes references
Author:
Sainju, U.M. , Caesar-TonThat, T. , Lenssen, A.W. , Evans, R.G. , Kolberg, R.
Subject:
soil quality , carbon sequestration , cropping sequence , continuous cropping , fallow , agricultural soils , sandy loam soils , carbon , dry environmental conditions , tillage , frequency , crop residues , soil organic matter , soil microorganisms , Triticum aestivum , Pisum sativum , Hordeum vulgare , long term experiments , Montana , Great Plains region
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

10. Surface versus incorporated residue effects on water-stable aggregates

Description:
Includes references
Author:
Wuest, S.B.
Subject:
crop residues , agricultural soils , surface layers , soil aggregates , soil aggregation , silt loam soils , loess , Triticum aestivum , wheat straw , no-tillage , conventional tillage
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007