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Results:
1-16
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Results: 16
Authors:
Brejda, JJ
Mausbach, MJ
Goebel, JJ
Allan, DL
Dao, TH
Karlen, DL
Moorman, TB
Smith, JL
Citation: Jj. Brejda et al., Estimating surface soil organic carbon content at a regional scale using the National Resource Inventory, SOIL SCI SO, 65(3), 2001, pp. 842-849
Authors:
Karlen, DL
Andrews, SS
Doran, JW
Citation: Dl. Karlen et al., Soil quality: Current concepts and applications, ADV AGRON, 74, 2001, pp. 1-40
Authors:
Bakhsh, A
Kanwar, RS
Karlen, DL
Cambardella, CA
Bailey, TB
Moorman, TB
Colvin, TS
Citation: A. Bakhsh et al., N-management and crop rotation effects on yield and residual soil nitrate levels, SOIL SCI, 166(8), 2001, pp. 530-538
Authors:
Patzel, N
Sticher, H
Karlen, DL
Citation: N. Patzel et al., Soil fertility - Phenomenon and concept, J PLANT NU, 163(2), 2000, pp. 129-142
Authors:
Brejda, JJ
Moorman, TB
Karlen, DL
Dao, TH
Citation: Jj. Brejda et al., Identification of regional soil quality factors and indicators: I. Centraland southern high plains, SOIL SCI SO, 64(6), 2000, pp. 2115-2124
Authors:
Brejda, JJ
Karlen, DL
Smith, JL
Allan, DL
Citation: Jj. Brejda et al., Identification of regional soil quality factors and indicators: II. Northern Mississippi Loess Hills and Palouse Prairie, SOIL SCI SO, 64(6), 2000, pp. 2125-2135
Authors:
Brejda, JJ
Moorman, TB
Smith, JL
Karlen, DL
Allan, DL
Dao, TH
Citation: Jj. Brejda et al., Distribution and variability of surface soil properties at a regional scale, SOIL SCI SO, 64(3), 2000, pp. 974-982
Authors:
Bakhsh, A
Kanwar, RS
Karlen, DL
Cambardella, CA
Colvin, TS
Moorman, TB
Bailey, TB
Citation: A. Bakhsh et al., Tillage and nitrogen management effects on crop yield and residual soil nitrate, T ASAE, 43(6), 2000, pp. 1589-1595
Authors:
Heikens, KE
Karlen, DL
Erbach, DC
Hanna, HM
Jensen, JH
Citation: Ke. Heikens et al., Tillage effects on previously flooded soils, J PROD AGR, 12(3), 1999, pp. 409-414
Authors:
Paz, JO
Batchelor, WD
Babcock, BA
Colvin, TS
Logsdon, SD
Kaspar, TC
Karlen, DL
Citation: Jo. Paz et al., Model-based technique to determine variable rate nitrogen for corn, AGR SYST, 61(1), 1999, pp. 69-75
Authors:
Hussain, I
Olson, KR
Wander, MM
Karlen, DL
Citation: I. Hussain et al., Adaptation of soil quality indices and application to three tillage systems in southern Illinois, SOIL TILL R, 50(3-4), 1999, pp. 237-249
Authors:
Cambardella, CA
Moorman, TB
Jaynes, DB
Hatfield, JL
Parkin, TB
Simpkins, WW
Karlen, DL
Citation: Ca. Cambardella et al., Water quality in Walnut Creek watershed: Nitrate-nitrogen in soils, subsurface drainage water, and shallow groundwater, J ENVIR Q, 28(1), 1999, pp. 25-34
Authors:
Karlen, DL
Citation: Dl. Karlen, Opportunities and challenges associated with watershed-scale assessments of soil and water quality, J SOIL WAT, 54(4), 1999, pp. 626-627
Authors:
Karlen, DL
Kramer, LA
James, DE
Buhler, DD
Moorman, TB
Burkart, MR
Citation: Dl. Karlen et al., Field-scale watershed evaluations on deep-loess soils: I. Topography and agronomic practices, J SOIL WAT, 54(4), 1999, pp. 693-704
Authors:
Logsdon, SD
Karlen, DL
Prueger, JH
Kramer, LA
Citation: Sd. Logsdon et al., Field-scale watershed evaluations on deep-loess soils: III. Rainfall and fertilizer N use efficiencies, J SOIL WAT, 54(4), 1999, pp. 711-716
Authors:
Karlen, DL
Rosek, MJ
Gardner, JC
Allan, DL
Alms, MJ
Bezdicek, DF
Flock, M
Huggins, DR
Miller, BS
Staben, ML
Citation: Dl. Karlen et al., Conservation Reserve Program effects on soil quality indicators, J SOIL WAT, 54(1), 1999, pp. 439-444
Risultati:
1-16
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