Search National Agricultural Library Digital Collections
Limit your search
Subjects
-
United States (2,616)
-
cultivars (2,024)
-
Zea mays (1,988)
-
crop yield (1,822)
-
genetic variation (1,804)
-
corn (1,796)
-
genes (1,760)
-
mortality (1,664)
-
nucleotide sequences (1,626)
-
disease resistance (1,578)
-
literature reviews (1,467)
-
plant pathogenic fungi (1,460)
-
Triticum aestivum (1,453)
-
insect pests (1,408)
-
genetic markers (1,355)
-
leaves (1,324)
-
nitrogen (1,318)
-
simulation models (1,302)
-
gene expression (1,274)
-
Glycine max (1,272)
- more »
Year
-
2008 (4,882)
-
2009 (4,482)
-
2006 (3,793)
-
2007 (3,671)
-
2010 (3,465)
-
2005 (3,305)
-
2004 (2,697)
-
2003 (2,045)
-
2011 (1,607)
-
2002 (1,586)
- more »
Collections
-
Journal Articles, USDA Authors, Peer-Reviewed (43,282)[remove]
Displaying items
41,741 - 41,750 of
43,282
start over
- Description:
- Includes references
- Author:
- Raper, R.L. , Reeves, D.W. , Shaw, J.N. , van Santen, E. , Mask, P.L.
- Subject:
- Zea mays , corn , grain yield , precision agriculture , subsoiling , tillage , power requirement , Alabama
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- In the special issue: Global change and terrestrial ecosystems.
- Author:
- Williams, J. , Nearing, M. , Nicks, A. , Skidmore, E. , Valentin, C. , King, K. , Savabi, R.
- Subject:
- soil , water erosion , wind erosion , simulation models , climate change , atmosphere , weather , mathematical models , carbon dioxide , Erosion Productivity Impact Calculator , Water Erosion Prediction Project
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1996
- Description:
- Includes references
- Author:
- Flerchinger, G.N. , Seyfried, M.S. , Hardegree, S.P.
- Subject:
- frozen soils , soil water characteristic , mathematical models , simulation models , cold , freezing , sandy soils , sandy loam soils , silt loam soils
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006
- Description:
- Includes references
- Author:
- Gish, T.J. , Walthall, C.L. , Daughtry, C.S.T. , Kung, K.J.S.
- Subject:
- subsurface flow , soil water content , spatial variation , spatial distribution , ground-penetrating radar , digital elevation models , soil texture , Zea mays , corn , grain yield , topography , cartography , Maryland
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2005
- Description:
- Includes references
- Author:
- Kleinman, P.J.A. , Bryant, R.B. , Reid, W.S. , Sharpley, A.N. , Pimentel, D.
- Subject:
- phosphorus , agricultural soils , nutrient availability , sorption , sorption isotherms , loam soils , silt loam soils , calcium chloride , New York
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2000
- Description:
- Includes references
- Author:
- Kleinman, P.J.A. , Needelman, B.A. , Sharpley, A.N. , McDowell, R.W. , Soil Science Society of America.
- Subject:
- phosphorus , leaching , soil profiles , losses from soil , macropore flow , loam soils , tile drainage , monitoring , clay , animal manures , land application , soil horizons , Pennsylvania
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2003
- Description:
- Includes references
- Author:
- Rinehart, Timothy , Reed, Sandra M.
- Subject:
- Hydrangea macrophylla , Hydrangea paniculata , Hydrangea arborescens , Hydrangea anomala , Hydrangea quercifolia , germplasm , ornamental plants , species diversity , genetic variation , genetic markers , DNA profiling , interspecific hybridization , hybrids , parentage , cultivars , plant breeding , cultivar identification , taxonomy
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2010
- Description:
- In the special issue: The model parameter estimation experiment-MOPEX / edited by J. Schaake and Q. Duan. Paper presented at the Third MOPEX Workshop held July 2003, Sapporo, Japan.
- Author:
- Anderson, R.M. , Koren, V.I. , Reed, S.M.
- Subject:
- hydrologic models , watersheds , watershed hydrology , mathematical models , land use , vegetation cover , United States
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2006