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47
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- Description:
- Includes references
- Author:
- Huang, W.Y. , Lu, Y.C. , Uri, N.D.
- Subject:
- soil analysis , nitrogen , crop production , fertilizer application , nitrogen fertilizers , fertilizer requirements , economic analysis , costs and returns , application rate , decision support systems , simulation models , equations , optimization , crop yield , environmental fate , leaching , environmental protection , agricultural runoff , nutrient management , Maryland
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Mayland, H.F. , Shewmaker, G.E.
- Subject:
- livestock , animal health , silicon , nitrogen , nutrient content , potassium , calcium , magnesium , phosphorus , sulfur , trace elements , sodium , nickel , mineral content , nutrient availability , nutrient-nutrient interactions , literature reviews
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- King, J.S. , Pregitzer, K.S. , Zak, D.R. , Kubiske, M.E. , Ashby, J.A. , Holmes, W.E.
- Subject:
- Populus tremuloides , degradation , chemical composition , forest litter , nitrogen , nutrient availability , nitrogen content , carbon nitrogen ratio , tannins , microbial activity , soil solution , carbon dioxide , biogeochemical cycles , Michigan
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Franzleubbers, A.J. , Haney, R.L. , Honeycutt, C.W. , Arshad, M.A. , Schomberg, H.H. , Hons, F.M.
- Subject:
- soil organic matter , nitrogen , carbon , mineralization , soil microorganisms , biomass , biological activity in soil , rain , air temperature , ambient temperature , climatic zones , Alberta , British Columbia , Maine , Georgia , Texas
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Hendrickson, J.R. , Wienhold, B.J. , Berdahl, J.D. , Arid land research and management (Print)
- Subject:
- Agropyron desertorum , Bromus inermis , Nassella , Bouteloua gracilis , grasses , degradation , genetic improvement , cultivars , perennials , carbon , nitrogen , lignin , rangelands , seasonal variation , carbon nitrogen ratio , biogeochemical cycles , plant litter , Pascopyrum smithii , species differences , North Dakota
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Merkel, R.C. , Toerien, C. , Sahlu, T. , Blanche, C.
- Subject:
- goats , wethers , Rhus copallina , leaves , chemical composition , drying , nitrogen balance , digestibility , blood chemistry , metabolites , feed intake , feces , urine , excretion , urea , blood glucose , nitrogen , dietary fiber
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Szogi, A.A. , Hunt, P.G.
- Subject:
- water pollution , soil pollution , ammonium nitrogen , overland flow , constructed wetlands , pig manure , wastewater treatment , wetland plants , nitrogen , nitrification , denitrification , volatilization , ammonia , diffusion , North Carolina
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Bi, J.L. , Ballmer, G.R. , Hendrix, D.L. , Henneberry, T.J. , Toscano, N.C.
- Subject:
- height , plant characteristics , Bemisia argentifolii , Gossypium hirsutum , soil fertility , nitrogen , urea , population density , honeydew , secretion , photosynthesis , stomata , leaf conductance , petioles , nutrient content , sucrose , glucose , fructose , crop yield , application rate , California
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Ruiz, R. , Albrecht, G.L. , Tedeschi, L.O. , Jarvis, G. , Russell, J.B. , Fox, D.G.
- Subject:
- dairy cows , lactation , nitrogen , nutrient uptake , monensin , forage , nitrogen metabolism , feed rations , concentrates , milking , diurnal variation , regrowth , milk yield , milk fat percentage , milk fat yield , milk protein percentage , milk protein yield , feed intake , ammonia , acetic acid , propionic acid , digestibility , prediction , decision making , computer software , animal husbandry , rumen fluids , feces composition
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Stout, W.L. , Weaver, S.R. , Elwinger, G.F.
- Subject:
- Trifolium repens , Dactylis glomerata , nitrogen fixation , nitrogen , nutrient deficiencies , seasonal variation , yields , botanical composition , application timing , application rate , ammonium nitrate , Pennsylvania
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
