Search National Agricultural Library Digital Collections

You searched for:

Year 2004 Remove constraint 2004: 2004 Subjects crop yield Remove constraint crop yield: crop yield Subjects corn Remove constraint corn: corn
Displaying items 1 - 10 of 15 start over

1. 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

2. Cover cropping to reduce nitrate loss through subsurface drainage in the northern U.S. Corn Belt

Description:
Includes references
Author:
Strock, J.S. , Porter, P.M. , Russelle, M.P.
Subject:
water pollution , nitrate nitrogen , pollution control , leaching , losses from soil , subsurface drainage , tile drainage , Secale cereale , rye , cover crops , winter , sowing , crop rotation , Zea mays , corn , Glycine max , soybeans , crop yield , Corn Belt region , Minnesota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Crop and soil productivity response to corn residue removal: a literature review

Description:
Includes references
Author:
Wilhelm, W.W. , Johnson, J.M.F. , Hatfield, J.L. , Voorhees, W.B. , Linden, D.R.
Subject:
Zea mays , corn , corn stover , crop residue management , environmental impact , biofuels , ethanol production , sustainable agriculture , soil productivity , soil conservation , crop yield , crop production , tillage , soil organic matter , biomass , weather , environmental factors , equations , soil compaction , byproducts , processing residues , waste utilization , literature reviews , Corn Belt region
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Crop condition and yield simulations using Landsat and MODIS

Description:
Includes references
Author:
Doraiswamy, P.C. , Hatfield, J.L. , Jackson, TJ. , Akhmedov, B. , Prueger, J. , Stern, A.
Subject:
Landsat , satellites , remote sensing , image analysis , corn , soybeans , crop yield , simulation models , leaf area index , canopy , reflectance , soil water content , thematic maps , field experimentation , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Crop yield and nitrogen accumulation response to tillage of a Coastal Plain soil

Description:
Includes references
Author:
Hunt, P.G. , Bauer, P.J. , Matheny, T.A. , Busscher, W.J.
Subject:
Triticum aestivum , wheat , Zea mays , corn , Glycine max , soybeans , grain crops , field crops , grain yield , crop yield , nitrogen , nutrient uptake , tillage , subsoiling , crop rotation , soil organic matter , crop residues , nutrient content , South Carolina
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Decreasing phosphorus runoff losses from land-applied poultry litter with dietary modifications and alum addition

Description:
Includes references
Author:
Smith, D.R. , Moore, P.A. Jr. , Miles, D.M. , Haggard, B.E. , Daniel, T.C.
Subject:
water pollution , pollution control , phosphorus , agricultural runoff , pastures , poultry manure , broilers , animal feeding , corn , phytases , diet , fertilizer application , alum , soil amendments , Festuca arundinacea , forage grasses , crop yield
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Feasibility of site-specific management of corn hybrids and plant densities in the Great Plains

Description:
Includes references
Author:
Shanahan, J.F. , Doerge, T.A. , Johnson, J.J. , Vigil, M.F.
Subject:
Zea mays , corn , crop production , dryland farming , crop yield , sowing , plant density , precision agriculture , hybrids , genetic variation , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Frequency analysis of yield for delineating yield response zones

Description:
Includes references
Author:
Diker, K. , Heermann, D.F. , Brodahl, M.K.
Subject:
Zea mays , corn , precision agriculture , crop production , crop yield , yield mapping , statistical analysis , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Kenaf forage yield and quality under varying water availability

Description:
Includes references
Author:
Nielsen, D.C.
Subject:
Hibiscus cannabinus , kenaf , forage crops , crop yield , aridic regimes , silt loam soils , plant available water , water use , plant growth , height , cutting , irrigated conditions , dry matter accumulation , Zea mays , corn , crude protein , protein content , acid detergent fiber , neutral detergent fiber , nutrient content , nutritive value , dryland farming , irrigated farming , regression analysis , crop rotation , Triticum aestivum , wheat
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Linking microbial-scale findings to farm-scale outcomes in a dryland cropping system

Description:
Includes references
Author:
Johnson, C.K. , Wienhold, B.J. , Doran, J.W. , Drijber, R.A. , Wright, S.F.
Subject:
precision agriculture , dryland farming , Zea mays , corn , Triticum aestivum , wheat , Panicum miliaceum subsp. miliaceum , millets , crop production , crop yield , fallow , soil fungi , vesicular arbuscular mycorrhizae , mycorrhizal fungi , symbiosis , soil physics , electrical conductivity , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004