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Year 2004 Remove constraint 2004: 2004 Subjects soil quality Remove constraint soil quality: soil quality
Displaying items 1 - 10 of 18 start over

1. Bulk density as a soil quality indicator during conversion to no-tillage

Description:
In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:
Logsdon, S.D. , Karlen, D.L.
Subject:
no-tillage , ridge tillage , conventional tillage , soil quality , soil compaction , bulk density , soil water content , loess soils , crop management , continuous cropping , crop rotation , corn , Zea mays , soybeans , Glycine max , alfalfa , Medicago sativa , crop yield , landscape position , agricultural watersheds , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Conservation Effects Assessment Project (CEAP) watershed assessment studies

Author:
United States Dept. of Agriculture.
Subject:
Water quality , Measurement , Watershed management , United States , Soils , Quality , United States , Water conservation , United States , Air quality , United States , Habitat (Ecology) , United States , water quality , watershed management , watersheds , soil quality , water conservation , air quality , wildlife habitats , United States
Year:
2004

3. Effects of burial and soil condition on postharvest mortality of boll weevils (Coleoptera: Curculionidae) in fallen cotton fruit

Description:
Includes references
Author:
Greenberg, S.M. , Showler, A.T. , Sappington, T.W. , Bradford, J.M.
Subject:
Anthonomus grandis grandis , overwintering , mortality , Gossypium hirsutum , cotton , fruits (plant anatomy) , conventional tillage , no-tillage , soil quality , soil water content , soil texture , soil depth , Curculionidae , insect pests , cultural control , insect control , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Enzyme activities and arylsulfatase protein content of dust and the soil source: Biochemical fingerprints?

Description:
Includes references
Author:
Acosta-Martinez, V. , Zobeck, T.M.
Subject:
enzyme activity , beta-glucosidase , alkaline phosphatase , arylsulfatase , soil enzymes , protein content , agricultural soils , semiarid soils , wind erosion , air quality , soil quality , eolian deposits , soil texture , soil chemical properties , bioassays , cropping systems , tillage , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Estimating the water retention curve from soil properties: comparison of linear, nonlinear and concomitant variable methods

Description:
In the special issue: Soil physical quality / edited by A.R. Dexter.
Author:
Rajkai, K. , Kabos, S. , Van Genuchten, M.T.
Subject:
unsaturated hydraulic conductivity , soil water characteristic , pedotransfer functions , soil hydraulic properties , databases , soil quality , Hungary
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. From genome to crop: integration through simulation modeling

Description:
Includes references
Author:
Hoogenboom, G. , White, J.W. , Messina, C.D.
Subject:
Glycine max , Phaseolus vulgaris , beans , crop management , crop models , crop yield , crops , cultivars , equations , genes , genomics , genotype , global change , growth and development , mathematical models , plant physiology , simulation models , soil quality , soybeans , weather , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Implement and soil condition effects on tillage-induced erosion

Description:
In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:
Marques da Silva, J.R. , Soares, J.M.C.N. , Karlen, D.L.
Subject:
soil erosion , tillage , plowing , plows , harrows , velocity , soil depth , soil quality , Portugal
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. On-farm assessment of organic matter and tillage management on vegetable yield, soil, weeds, pests, and economics in California

Description:
Includes references
Author:
Jackson, L.E. , Ramirez, I. , Yokota, R. , Fennimore, S.A. , Koike, S.T. , Henderson, D.M. , Chaney, W.E. , Calderon, F.J. , Klonsky, K.
Subject:
minimum tillage , conventional tillage , soil amendments , composts , crop yield , Lactuca sativa , lettuce , Brassica oleracea var. italica , Secale cereale , barley , cover crops , weeds , plant density , soil microorganisms , bulk density , nitrate nitrogen , leaching , plant pests , insect pests , fungal diseases of plants , economic analysis , soil organic matter , soil quality , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Profit, yield, and soil quality effects of tillage systems in corn-soybean rotations

Description:
Includes references
Author:
Buman, R.A. , Alesii, B.A. , Hatfield, J.L. , Karlen, D.L.
Subject:
Zea mays , corn , Glycine max , soybeans , crop rotation , strip tillage , no-tillage , conventional tillage , soil quality , profitability , crop yield , soil properties , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Quantification of tillage and landscape effects on soil carbon in small Iowa watersheds

Description:
In the special issue: Soil quality as an indicator of sustainable tillage practices / edited by D.L. Karlen.
Author:
Moorman, T.B. , Cambardella, C.A. , James, D.E. , Karlen, D.L. , Kramer, L.A.
Subject:
ridge tillage , discing , plowing , soil erosion , soil quality , soil organic matter , carbon , spatial distribution , slope , landscape position , loess , sediment transport , soil water , agricultural watersheds , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004