-
1
-
-
0016840473
-
Nitrate, phosphorus and sulfate in subsurface drainage water
-
Baker J.L., Campbell K.L., Johnson H.P., and Hanway J.J. Nitrate, phosphorus and sulfate in subsurface drainage water. J. Environ. Qual. 4 (1975) 406-412
-
(1975)
J. Environ. Qual.
, vol.4
, pp. 406-412
-
-
Baker, J.L.1
Campbell, K.L.2
Johnson, H.P.3
Hanway, J.J.4
-
2
-
-
27844434219
-
Subsurface drainage in Iowa and the water quality benefits and problem
-
ASAE, St. Joseph, MI
-
Baker J.L., Melvin S.W., Lemke D.W., Lawlor P.A., Crumpton W.G., and Helmers M.J. Subsurface drainage in Iowa and the water quality benefits and problem. Proceedings of the Eighth International Symposium, ASAE Publ. No. 701P0304. ASAE, St. Joseph, MI (2004) 39-50
-
(2004)
Proceedings of the Eighth International Symposium, ASAE Publ. No. 701P0304
, pp. 39-50
-
-
Baker, J.L.1
Melvin, S.W.2
Lemke, D.W.3
Lawlor, P.A.4
Crumpton, W.G.5
Helmers, M.J.6
-
3
-
-
34548033633
-
Evaluation of root zone water quality model for simulation of nonpoint source pollution from agricultural lands
-
Sacramento, California, USA, July 30-August 1
-
Bakhsh A., Hatfield J.L., Kanwar R.S., Ma L., and Ahuja L.R. Evaluation of root zone water quality model for simulation of nonpoint source pollution from agricultural lands. ASAE Annual International Meeting. Sacramento, California, USA, July 30-August 1 (2001)
-
(2001)
ASAE Annual International Meeting
-
-
Bakhsh, A.1
Hatfield, J.L.2
Kanwar, R.S.3
Ma, L.4
Ahuja, L.R.5
-
4
-
-
0031919007
-
Using the DRAINMOD-N model to study the effects of drainage system design and management on crop productivity, profitability and NO3-N losses in drainage water
-
Breve M.A., Skaggs R.W., Parsons J.E., and Gilliam J.W. Using the DRAINMOD-N model to study the effects of drainage system design and management on crop productivity, profitability and NO3-N losses in drainage water. Agric. Water Manage. 35 3 (1998) 227-243
-
(1998)
Agric. Water Manage.
, vol.35
, Issue.3
, pp. 227-243
-
-
Breve, M.A.1
Skaggs, R.W.2
Parsons, J.E.3
Gilliam, J.W.4
-
5
-
-
34548014015
-
-
Burchell, M.R., Skaggs, R.W., Chescheir, G.M., Gilliam, J.W., Arnold, L.A., 2003. Shallow subsurface drains to reduce nitrate losses from drained agricultural lands. Paper No. 032320. ASAE Annual International Meeting, July 27-30, 2003, Las Vegas, NV.
-
-
-
-
6
-
-
34548011854
-
-
Cooke, R., Nehmelman, J., Kalita, P., 2002. Effect of tile depth on nitrate transport from tile drainage systems. ASAE Meeting Paper No. 022017, ASAE, St. Joseph, MI.
-
-
-
-
7
-
-
34548020685
-
-
Cooperative Extension Service, 1987. Iowa State University. Iowa Drainage Guide. Special Report (Revised). Cooperative Extension Service, Iowa State University, Ames, IA 50011.
-
-
-
-
8
-
-
0036590347
-
Inverse three-dimensional groundwater modeling using the finite-difference method for recharge estimation in a glacial till aquitard
-
Ella V.B., Melvin S.W., Kanwar R.S., Jones L.C., and Horton R. Inverse three-dimensional groundwater modeling using the finite-difference method for recharge estimation in a glacial till aquitard. Trans. ASAE 45 3 (2002) 703-715
-
(2002)
Trans. ASAE
, vol.45
, Issue.3
, pp. 703-715
-
-
Ella, V.B.1
Melvin, S.W.2
Kanwar, R.S.3
Jones, L.C.4
Horton, R.5
-
9
-
-
0026216849
-
Stress day index models to predict corn and soybean relative yield under high water table conditions
-
Evans R.O., Skaggs R.W., and Sneed R.E. Stress day index models to predict corn and soybean relative yield under high water table conditions. Trans. ASAE 34 5 (1991) 1997-2005
-
(1991)
Trans. ASAE
, vol.34
, Issue.5
, pp. 1997-2005
-
-
Evans, R.O.1
Skaggs, R.W.2
Sneed, R.E.3
-
10
-
-
34548043887
-
Controlled versus conventional drainage effects on water quality
-
Evans R.O., Skaggs R.W., and Gilliam J.W. Controlled versus conventional drainage effects on water quality. Trans. ASAE 21 4 (1995) 271-276
-
(1995)
Trans. ASAE
, vol.21
, Issue.4
, pp. 271-276
-
-
Evans, R.O.1
Skaggs, R.W.2
Gilliam, J.W.3
-
11
-
-
34548013241
-
-
Fausey, N., 2004. Comparison of free drainage, controlled drainage, and subirrigation water management practices in an Ohio lakebed soil. ASAE Meeting Paper No. 042237, ASAE, St. Joseph, MI.
-
-
-
-
13
-
-
85102987554
-
Water quality effects of drainage in humid regions
-
Skaggs R.W., and van Schilfgaarde J. (Eds), SSSA, Madison, WI
-
Gilliam J.W., Baker J.L., and Reddy K.R. Water quality effects of drainage in humid regions. In: Skaggs R.W., and van Schilfgaarde J. (Eds). Agricultural Drainage (1999), SSSA, Madison, WI 801-803
-
(1999)
Agricultural Drainage
, pp. 801-803
-
-
Gilliam, J.W.1
Baker, J.L.2
Reddy, K.R.3
-
14
-
-
34548037812
-
-
Goolsby, D.A., Battaglin, W.A., Lawrence, G.B., Artz, R.S., Aulenback, B.T., Hooper, R.P., Keeney, D.R., Stensland, G.J., 1999. Flux and sources of nutrients in the Mississippi-Atchafalaya River Basin. Topic 3 Report for the Integrated Assessment on Hypoxia in the Gulf of Mexico. NOAA Coastal Ocean Program Decision Analysis Ser. No. 17. NOAA Coastal Ocean Program, Silver Spring, MD.
-
-
-
-
15
-
-
0002266184
-
Studies of soil physics. Part I. The flow of air and water through soils
-
Green W.H., and Ampt G. Studies of soil physics. Part I. The flow of air and water through soils. J. Agric. Sci. 4 (1911) 1-24
-
(1911)
J. Agric. Sci.
, vol.4
, pp. 1-24
-
-
Green, W.H.1
Ampt, G.2
-
16
-
-
27844558370
-
Corn yield response to excessive soil water conditions
-
Hardjoamidjojo S., Skaggs R.W., and Schwab G.O. Corn yield response to excessive soil water conditions. Trans. ASAE 25 4 (1982) 922-927
-
(1982)
Trans. ASAE
, vol.25
, Issue.4
, pp. 922-927
-
-
Hardjoamidjojo, S.1
Skaggs, R.W.2
Schwab, G.O.3
-
17
-
-
0032915479
-
Water quality in Walnut Creek watershed: setting and farming practices
-
Hatfield J.L., Jaynes D.B., Burkart M.R., Cambardella C.A., Moorman T.B., Prueger J.H., and Smith M.A. Water quality in Walnut Creek watershed: setting and farming practices. J. Environ. Qual. 28 1 (1999) 11-24
-
(1999)
J. Environ. Qual.
, vol.28
, Issue.1
, pp. 11-24
-
-
Hatfield, J.L.1
Jaynes, D.B.2
Burkart, M.R.3
Cambardella, C.A.4
Moorman, T.B.5
Prueger, J.H.6
Smith, M.A.7
-
18
-
-
34548050124
-
-
Helmers, M.J., Lawlor, P.A., Baker, J.L., Melvin, S.W., Lemke, D.W., 2005. Temporal subsurface flow patterns from fifteen years in north-central Iowa. ASAE Meeting Paper No. 05-2234, ASAE, St. Joseph, MI.
-
-
-
-
19
-
-
34548052385
-
-
ISPAID 7.0, 2004. Iowa Soil Properties and Interpretations Database (ISPAID) Version 7.0. Iowa Agriculture and Home Economics Experiment Station, University Extension Service, Iowa State University, Ames, IA.
-
-
-
-
20
-
-
0028428437
-
Simulating corn yields for two Iowa soils
-
Kanwar R.S., Melvin S.W., and Sanoja J. Simulating corn yields for two Iowa soils. Appl. Eng. Agric. 10 3 (1994) 373-379
-
(1994)
Appl. Eng. Agric.
, vol.10
, Issue.3
, pp. 373-379
-
-
Kanwar, R.S.1
Melvin, S.W.2
Sanoja, J.3
-
21
-
-
34548029310
-
-
Kirkham, D., 1957. Theory of seepage of ponded water into drainage facilities. In: Luthin, J.N. (Ed.), Drainage of Agricultural Lands. Agron. Monogr. 7, ASA and SSSA. Madison, WI, pp. 139-181.
-
-
-
-
22
-
-
0034471752
-
DRAINMOD modifications for cold conditions
-
Luo W., Skaggs R.W., and Chescheir G.M. DRAINMOD modifications for cold conditions. Trans. ASAE 43 6 (2000) 1569-1582
-
(2000)
Trans. ASAE
, vol.43
, Issue.6
, pp. 1569-1582
-
-
Luo, W.1
Skaggs, R.W.2
Chescheir, G.M.3
-
23
-
-
0035651588
-
Predicting field hydrology in cold conditions with DRAINMOD
-
Luo W., Skaggs R.W., Madani A., Cizikci S., and Mavi A. Predicting field hydrology in cold conditions with DRAINMOD. Trans. ASAE 44 4 (2001) 825-834
-
(2001)
Trans. ASAE
, vol.44
, Issue.4
, pp. 825-834
-
-
Luo, W.1
Skaggs, R.W.2
Madani, A.3
Cizikci, S.4
Mavi, A.5
-
24
-
-
0000113176
-
Nonlinear differential equation of drain spacing
-
Moody W.T. Nonlinear differential equation of drain spacing. J. Irrig. Drain. ASCE 92 2 (1967) 1-9
-
(1967)
J. Irrig. Drain. ASCE
, vol.92
, Issue.2
, pp. 1-9
-
-
Moody, W.T.1
-
25
-
-
34548014450
-
-
Nangia, V., Gowda, H.P., Mulla, D.J., Sands, G.R., 2005. Modeling nitrate-nitrogen losses in response to tile drain depth and spacing in a cold climate. ASAE Meeting Paper No. 052022, ASAE, St. Joseph, MI.
-
-
-
-
26
-
-
0014776873
-
River flow forecasting through conceptual models. Part I. A discussion of principles
-
Nash J.E., and Sutchliffe J.V. River flow forecasting through conceptual models. Part I. A discussion of principles. J. Hydrol. 10 3 (1970) 282-290
-
(1970)
J. Hydrol.
, vol.10
, Issue.3
, pp. 282-290
-
-
Nash, J.E.1
Sutchliffe, J.V.2
-
27
-
-
34548012316
-
-
Poole, C.A, Skaggs, R.W., Chescheir, G.M., Gilliam, J.W., Burchell, M.R., 2005. The effect of shallow subsurface drains on nitrate-N and phosphorus losses from drained agricultural lands. Paper Number: 052026. ASAE Annual International Meeting, July 17-20, 2005, Tampa, FL.
-
-
-
-
29
-
-
34548013897
-
-
Riley, K., 2006. Water balance of controlled drainage on a small scale. M.S. Thesis, Iowa State University, Ames (IA) 50011-3080.
-
-
-
-
30
-
-
34548031779
-
-
Sands, G.R., Busman, L.M, Ruger, W.E., Hansen, B., 2003. The impact of drain depth on water quality in a cold climate. Paper no. 032365. ASAE Annual International Meeting, July 27-30, 2003, Las Vegas, NV.
-
-
-
-
31
-
-
34548043408
-
-
SAS, 2003. The SAS systems for windows. Release 9.1. Cary, NC, SAS Institute.
-
-
-
-
32
-
-
34548019881
-
-
Shaw, R.H., 1963. Estimation of soil moisture under corn. Research Bulletin 520, Iowa Agric. Home Econ. Exp. Station, Ames, IA.
-
-
-
-
33
-
-
0037497890
-
-
Ohio Agricultural Research and Development Center, Wooster, OH
-
Schwab G.O., Fausey N.R., Desmond E.D., and Holman J.R. Tile and Surface Drainage of Clay Soils. Research Bulletin 1166 (1985), Ohio Agricultural Research and Development Center, Wooster, OH
-
(1985)
Tile and Surface Drainage of Clay Soils. Research Bulletin 1166
-
-
Schwab, G.O.1
Fausey, N.R.2
Desmond, E.D.3
Holman, J.R.4
-
34
-
-
33748857538
-
Calibration and validation of DRAINMOD to design subsurface drainage systems for Iowa's tile landscapes
-
Singh R., Helmers M.J., and Zhiming Q. Calibration and validation of DRAINMOD to design subsurface drainage systems for Iowa's tile landscapes. Agric. Water Manage. 85 (2006) 221-232
-
(2006)
Agric. Water Manage.
, vol.85
, pp. 221-232
-
-
Singh, R.1
Helmers, M.J.2
Zhiming, Q.3
-
35
-
-
34548010694
-
-
Skaggs, R.W., 1978. A water management model for shallow water table soils. Technical Report No. 134. Water Resources Research Institute, University of North Carolina, NC State University, Raleigh, NC.
-
-
-
-
36
-
-
34548035091
-
-
Skaggs, R.W., 1980. DRAINMOD Reference Report. Methods for design and evaluation of drainage-water management systems for soils with high water tables. USDA-SCS, South National Technical Center, Fort Worth, TX.
-
-
-
-
38
-
-
0000755576
-
Predicting effects of water table management on loss of nitrogen from poorly drained soils
-
Skaggs R.W., Breve M.A., and Gilliam J.W. Predicting effects of water table management on loss of nitrogen from poorly drained soils. Eur. J. Agron. 4 4 (1995) 441-451
-
(1995)
Eur. J. Agron.
, vol.4
, Issue.4
, pp. 441-451
-
-
Skaggs, R.W.1
Breve, M.A.2
Gilliam, J.W.3
-
39
-
-
34548038075
-
-
Skaggs, R.W., Chescheir, G.M., 1999. Effect of subsurface drain depth on nitrogen losses from drained lands. ASAE Meeting Paper No. 99-2086, ASAE, St. Joseph, MI.
-
-
-
-
40
-
-
32244441148
-
Effect of drainage intensity on nitrogen losses from drained lands
-
Skaggs R.W., Youssef M.A., Chescheir G.M., and Gilliam J.W. Effect of drainage intensity on nitrogen losses from drained lands. Trans. ASAE 48 6 (2005) 2169-2177
-
(2005)
Trans. ASAE
, vol.48
, Issue.6
, pp. 2169-2177
-
-
Skaggs, R.W.1
Youssef, M.A.2
Chescheir, G.M.3
Gilliam, J.W.4
-
41
-
-
0029474384
-
Landscape evolution and shallow groundwater hydrology of a till landscape in central Iowa
-
Steinwand A.L., and Fenton T.E. Landscape evolution and shallow groundwater hydrology of a till landscape in central Iowa. Soil Sci. Soc. Am. J. 59 5 (1995) 1370-1377
-
(1995)
Soil Sci. Soc. Am. J.
, vol.59
, Issue.5
, pp. 1370-1377
-
-
Steinwand, A.L.1
Fenton, T.E.2
-
42
-
-
0002048389
-
An approach toward a rational classification of climate
-
Thornthwaite C.W. An approach toward a rational classification of climate. Geograp. Rev. 38 (1948) 55-94
-
(1948)
Geograp. Rev.
, vol.38
, pp. 55-94
-
-
Thornthwaite, C.W.1
-
43
-
-
85103007594
-
Nonsteady flow to drains
-
Van Schilfgaarde (Ed), ASA, Madison, WI
-
Van Schilfgaarde J. Nonsteady flow to drains. In: Van Schilfgaarde (Ed). Drainage for Agriculture (1974), ASA, Madison, WI 245-307
-
(1974)
Drainage for Agriculture
, pp. 245-307
-
-
Van Schilfgaarde, J.1
-
44
-
-
0020386641
-
Some comments on the evaluation of model performance
-
Willmott C.J. Some comments on the evaluation of model performance. Bull. Am. Meteor. Soc. 63 (1982) 1309-1313
-
(1982)
Bull. Am. Meteor. Soc.
, vol.63
, pp. 1309-1313
-
-
Willmott, C.J.1
|