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Displaying items 1 - 10 of 12 start over

1. An assessment of soil nitrogen testing considering the carry-over effect

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

2. Crop yield and soil condition under ridge and chisel-plow tillage in the northern Corn Belt, USA

Description:
Includes references
Author:
Pikul, J.L. Jr. , Carpenter-Boggs, L. , Vigil, M. , Schumacher, T.E. , Lindstrom, M.J. , Riedell, W.E.
Subject:
ridging , crop yield , Zea mays , Glycine max , crop rotation , clay loam soils , urea , nitrate nitrogen , phosphorus , potassium , soil fertility , seedbed preparation , raised beds , soil pH , soil organic matter , carbon , bulk density , application rate , chiseling , soil organic carbon , South Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

3. Dry matter yields of cool-season grass monocultures and grass-alfalfa binary mixtures

Description:
Includes references
Author:
Berdahl, J.D. , Karn, J.F. , Hendrickson, J.R.
Subject:
Medicago sativa , Bromus inermis , Panicum virgatum , Thinopyrum intermedium subsp. intermedium , Agropyron desertorum , Nassella viridula , crop yield , cultivars , dry matter accumulation , hay , application rate , ammonium nitrate , species differences , biomass production , North Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

4. Effect of cotton nitrogen fertilization on Bemisia argentifolii populations and honeydew production

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

5. Lowland rice response to nitrogen fertilization

Description:
Includes references
Author:
Fageria, N.K. , Baligar, V.C.
Subject:
Oryza sativa , ammonium sulfate , dry matter accumulation , crop yield , nutrient requirements , yield components , nutrient content , trace elements , nutrient uptake , application rate , Brazil
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

6. Multispectral reflectance of cotton related to plant growth, soil water and texture, and site elevation

Description:
Includes references
Author:
Li, H. , Lascano, R.J. , Barnes, E.M. , Booker, J. , Wilson, L.T. , Bronson, K.F. , Segarra, E.
Subject:
Gossypium hirsutum , reflectance , soil water content , soil texture , altitude , irrigation , nitrogen , crop yield , lint cotton , vegetation , evapotranspiration , application rate , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

7. Nitrate loss in subsurface drainage as affected by nitrogen fertilizer rate

Description:
Includes references
Author:
Jaynes, D.B. , Colvin, T.S. , Karlen, D.L. , Cambardella, C.A. , Meek, D.W.
Subject:
water pollution , subsurface drainage , Zea mays , Glycine max , crop production , crop yield , nitrogen fertilizers , nitrates , leaching , losses from soil , groundwater contamination , quantitative analysis , agricultural soils , water management , application rate , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

8. Nitrogen response in cotton as affected by tillage system and irrigation level

Description:
Includes references
Author:
Bronson, K.F. , Onken, A.B. , Keeling, J.W. , Booker, J.D. , Torbert, H.A. , Soil Science Society of America.
Subject:
meters (equipment) , Gossypium hirsutum , petioles , nitrate nitrogen , chlorophyll , nutritional status , nitrogen , crop yield , tillage , conservation tillage , nitrogen fertilizers , irrigation , soil fertility , application rate , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

9. Paper pellets as a mulch for dryland grain sorghum production

Description:
Includes references
Author:
Unger, P.W.
Subject:
Sorghum bicolor , Triticum aestivum , crop residues , field experimentation , crop yield , mulches , waste paper , pellets , tillage , no-tillage , rain , evaporation , soil water content , carbon , degradation , soil physical properties , application rate , soil aggregates , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

10. Tillage system, fertilizer nitrogen rate, and timing effect on corn yields in the Texas Blackland Prairie

Description:
Includes references
Author:
Torbert, H.A. , Potter, K.N. , Morrison, J.E. Jr.
Subject:
Zea mays , Sorghum bicolor , Triticum aestivum , crop rotation , tillage , nitrogen , crop yield , conservation tillage , no-tillage , nitrogen content , urea ammonium nitrate , application rate , application timing , chiseling , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001