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Subjects United States Remove constraint United States: United States Subjects geographical variation Remove constraint geographical variation: geographical variation
Displaying items 1 - 10 of 126 start over

1. A Comparison of U.S. and Chinese Sorghum Germplasm for Early Season Cold Tolerance

Description:
Includes references
Author:
Franks, C.D. , Burow, G.B. , Burke, J.J.
Subject:
Sorghum bicolor , grain sorghum , cold tolerance , germplasm , plant genetic resources , genetic resistance , genetic variation , geographical variation , cultivars , inbred lines , seed germination , seedling emergence , ambient temperature , length , shoots , dry matter accumulation , plant density , hybrids , United States , China
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

2. A study of the use of milk replacers for dairy calves in the United States

Description:
Includes references
Author:
Heinrichs, A.J. , Wells, S.J. , Losinger, W.C.
Subject:
dairy cattle , calf feeding , milk replacer , dairy farming , dairy farm management , geographical variation , commercial farms , farm surveys , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

3. Advances in tillage research in North American cropping systems

Description:
Includes references
Author:
Reicosky, D.C. , Allmaras, R.R.
Subject:
conservation tillage , conventional tillage , research , innovation adoption , new technology , tillage implements , geographical variation , climatic factors , soil erosion , sustainable agriculture , environmental protection , soil resource management , soil properties , physiographic soil types , United States , Canada , Mexico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2003

4. Aflatoxin contamination of corn before harvest: Aspergillus flavus association with insects collected from developing ears

Description:
14 ref.
Author:
Lillehoj, E.B. , Fennell, D.I. , Kwolek, W.F. , Adams, G.L. , Zuber, M.S. , Horner, E.S. , Widstrom, N.W. , Warren, H. , Guthrie, W.D. , Sauer, D.B. , Findley, W.R. , Manwiller, A. , Josephson, L.M. , Bockholt, A.J.
Subject:
Zea mays , corn , crop damage , insect pests , plant pests , Ostrinia nubilalis , Spodoptera frugiperda , larvae , Aspergillus flavus , microbial contamination , aflatoxins , fungal diseases of plants , seeds , corn ears , geographical variation , Helicoverpa zea , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1978

5. Aflatoxin contamination of field corn: evaluation of regional test plots for early detection

Description:
10 ref.
Author:
Lillehoj, E.B. , Kwolek, W.F. , Zuber, M.S. , Calvert, O.H. , Horner, E.S. , Widstrom, N.W. , Guthrie, W.D. , Scott, G.E. , Thompson, D.L. , Findley, W.R. , Bockholt, A.J.
Subject:
Zea mays , corn , seeds , corn ears , aflatoxin B1 , aflatoxins , microbial contamination , fungal diseases of plants , Aspergillus flavus , environmental factors , climatic factors , geographical variation , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1978

6. Aflatoxin in corn before harvest: interaction of hybrids and locations

Description:
13 ref.
Author:
Lillehoj, E.B. , Kwolek, W.F. , Zuber, M.S. , Bockholt, A.J. , Calvert, O.H. , Findley, W.R. , Guthrie, W.D. , Horner, E.S. , Josephson, L.M. , King, S.
Subject:
Zea mays , corn , fungal diseases of plants , Aspergillus flavus , aflatoxins , microbial contamination , seeds , hybrids , pest resistance , trypsin inhibitors , protein content , mechanical damage , crop damage , insect pests , fluorescence , geographical variation , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1980

7. AFLP comparisons among Claviceps africana isolates from the United States, Mexico, Africa, Australia, India, and Japan

Description:
Includes references
Author:
Tooley, P.W. , Goley, E.D. , Carras, M.M. , O'Neill, N.R.
Subject:
Claviceps , strains , strain differences , genetic markers , genetic techniques and protocols , geographical variation , genetic distance , genetic variation , amplified fragment length polymorphism , United States , Mexico , Africa , Australia , India , Japan
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

8. Age structure and disturbance legacy of North American forests

Description:
Includes references
Author:
Pan, Y. , Chen, J.M. , Birdsey, R. , McCullough, K. , He, L. , Deng, F.
Subject:
forests , age structure , spatial data , carbon sequestration , geographical distribution , geographical variation , anthropogenic activities , forest types , primary productivity , photosynthesis , forest inventory , remote sensing , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010

9. Agronomic and chemical evaluation of selected sorghums as sources of pulp

Author:
White, G.A. , Clark, T.F. , Craigmiles, J.P. , Mitchell, R.L. , Robinson, R.G. , Whiteley, E.L. , Lessman, K.J.
Subject:
Sorghum (Poaceae) , pulp fiber , papermaking , agronomic traits , chemical composition , cellulose , ash content , solubility , leaves , sorghum stalks , yields , Sorghum almum , Sorghum bicolor , Sorghum bicolor subsp. drummondii , geographical variation , United States , Iowa , Indiana , Georgia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1974

10. An active-fire based burned area mapping algorithm for the MODIS sensor

Description:
Includes references
Author:
Giglio, Louis , Loboda, Tatiana , Roy, David P. , Quayle, Brad , Justice, Christopher O.
Subject:
ecosystems , vegetation , fires , data analysis , image analysis , classification , spatial data , remote sensing , algorithms , geographical variation , accuracy , estimation , detection , wildfires , spectroradiometers , Siberia , United States , Southern Africa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009