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Subjects soil test values Remove constraint soil test values: soil test values
Displaying items 1 - 10 of 37 start over

1. A field-based assessment tool for phosphorus losses in runoff in Kansas

Description:
Includes references
Author:
Sonmez, O. , Pierzynski, G.M. , Frees, L. , Davis, B. , Leikam, D. , Sweeney, D.W. , Janssen, K.A.
Subject:
nonpoint source pollution , phosphorus , losses from soil , agricultural runoff , water quality , soil properties , soil test values , fertilizer rates , fertilizer application , water erosion , Kansas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

2. Amendment effects on soil test phosphorus

Description:
Includes references
Author:
Brauer, D. , Aiken, G.E. , Pote, D.H. , Livingston, S.J. , Norton, L.D. , Way, T.R. , Edwards, J.H.
Subject:
soil pollution , animal manures , pollution control , soil amendments , gypsum , alum , calcium , aluminum , waste paper , phosphorus , soil test values , soil analysis , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

3. Approximating phosphorus release from soils to surface runoff and subsurface drainage

Description:
Includes references
Author:
McDowell, R.W. , Sharpley, A.N.
Subject:
phosphorus , losses from soil , runoff , subsurface drainage , silt loam soils , loam soils , soil test values , soil fertility , extraction , calcium chloride , soil solution , Pennsylvania
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

4. Availability of residual phosphorus in high phosphorus soils

Description:
Includes references
Author:
McDowell, R. , Sharpley, A.
Subject:
phosphorus , nutrient availability , silt loam soils , loam soils , soil fertility , soil test values , quantity-intensity relationships , Pennsylvania
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2002

5. Changes in soil test phosphorus and phosphorus in runoff from calcareous receiving manure, compost, and fertilizer application with and without alum

Description:
Includes references
Author:
Leytem, April B. , Bjorneberg, David L.
Subject:
soil fertility , phosphorus , soil test values , losses from soil , agricultural runoff , calcareous soils , soil amendments , dairy manure , composted manure , fertilizer application , phosphorus fertilizers , alum , furrow irrigation , irrigated soils , crop yield , grain yield , Hordeum vulgare , barley , Phaseolus vulgaris , Idaho
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

6. Changes in some soil phosphorus availability parameters as induced by phosphorus addition and soil sorption properties

Description:
Includes references
Author:
Indiati, R. , Sharpley, A.N.
Subject:
phosphorus , nutrient availability , soil test values , sorption , phosphorus fertilizers , quantity-intensity relationships , losses from soil , water pollution , risk assessment , application rate , fertilizer requirements , nutrient management
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1997

7. Colloidal phosphorus in surface runoff and water extracts from semiarid soils of the western United States

Description:
Includes references
Author:
Turner, B.L. , Kay, M.A. , Westermann, D.T.
Subject:
phosphorus , colloids , particle size , agricultural runoff , overland flow , water pollution , sprinkler irrigation , semiarid soils , calcareous soils , silt loam soils , sandy loam soils , arable soils , soil types , soil texture , bioavailability , soil test values , molybdates , chemical concentration , soil chemical properties , soil physical properties , Western United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Determining environmentally sound soil phosphorus levels

Description:
Includes references
Author:
Sharpley, A. , Daniel, T.C. , Sims, J.T. , Pote, D.H.
Subject:
phosphorus , losses from soil , runoff , surface layers , soil , nutrient content , soil test values , correlation , environmental factors , crop management , nutrient availability , eutrophication , water quality , nutrient management
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1996

9. Development of a phosphorus index for pastures fertilized with poultry litter--factors affecting phosphorus runoff

Description:
Includes references
Author:
DeLaune, P.B. , Moore, P.A. Jr. , Carman, D.K. , Sharpley, A.N. , Haggard, B.E. , Daniel, T.C.
Subject:
water pollution , phosphorus , chemical concentration , agricultural runoff , water quality , water solubility , pastures , broilers , poultry manure , diet , soil test values , fertilizer application , surface water , alum , soil amendments
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Dynamic spatially explicit mass-balance modeling for targeted watershed phosphorus management. II. Model application

Description:
Includes references
Author:
Meals, Donald W. , Cassell, E. Alan , Hughell, David , Wood, Lynnette , Jokela, William E. , Parsons, Robert
Subject:
agricultural land , phosphorus , losses from soil , surface water , water pollution , nonpoint source pollution , simulation models , balance studies , mass transfer , nutrient management , agricultural watersheds , temporal variation , spatial variation , dairy farming , model validation , calibration , lawns and turf , grasslands , field crops , erosion control , cropping systems , soil fertility , soil test values , Vermont
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008