Browse Illinois Water Resources Center - Agriculture by Issue Date

  • Klute, A. (University of Illinois at Urbana-Champaign. Water Resources Center, 1966)

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  • Klute, A.; Reicosky, D.C.; Millington, R.J.; Peters, D.B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1970)
    The water extraction from soil by plant roots was treated by assuming that such extraction could be represented as a continuously distributed sink (negative source) function. Preliminary results with soybeans grown in soil ...

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  • Swanson, Earl R. (University of Illinois at Urbana-Champaign. Water Resources Center, 1971)
    Approximately 28,000 acres of field and specialty crops were irrigated in Illinois in 1966. Supplemental irrigation of corn accounted for over one half of this acreage. Important elements in the decision to invest in ...

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  • Millington, R.J.; Peters, D.B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1971-12)
    Measurements of mass transfer coefficients were made directly by the use of point and line sources. The gas used was propane. The studies revealed that the form of the profile of mass transfer coefficients was markedly ...

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  • Boyer, J.S. (University of Illinois at Urbana-Champaign. Water Resources Center, 1972-07)
    Two of the largest problems in irrigation planning are 1) the measurement of crop moisture status and 2) the interpretation of the measurements in terms of irrigation need. This research program was devoted to both these ...

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  • Moore, C.L.; Swanson, E.R.; Seitz, W.D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1973)
    The claypan area of Illinois is characterized by unreliable water supplies. In addition, water quality problems have recently been recognized in the form of widespread nitrate coliform contamination of water in private ...

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  • Davenport, Lynn A.; Lembke, Walter D.; Jones, Benjamin A., Jr. (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-03)
    The fate of nitrates as they travel through a long porous column at a slow rate was observed in this study with temperature and substrate materials variable. During a one month period of flow with pore velocities averaging ...

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  • Meredith, Dale D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-09)
    This bibliography contains 1918 literature references pertaining to optimization of irrigation systems. The references are listed alphabetically by author for the following topics: plant response to physical environment; ...

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  • Onishi, H.; Narayanan, A.S.; Takayama, T.; Swanson, E.R. (University of Illinois at Urbana-Champaign. Water Resources Center, 1974)
    Cropping systems may have an unfavorable influence on the quality of nearby surface water. In this study, linear programming methods were used to assess the impact of improvements in certain water quality characteristics ...

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  • Seitz, Wesley D.; Sands, Michael B.; Spitze, Robert G.F. (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-02)
    Alternative policies for reducing the level of erosion and sedimentation are evaluated with a linear programming analysis of farms in a selected watershed. Three conservation practices and three tillage practices are ...

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  • Jurgens, S.; Johnson, R.R.; Boyer, J.S. (University of Illinois at Urbana-Champaign. Water Resources Center, 1975-06)
    Irrigation represents the largest segment of consumptive water use in the U.S. Consequently, improvements in the efficiency of irrigation can have an important effect on the amount of water available for other uses. This ...

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  • Walker, Paul N.; Lembke, Walter D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1977-01)
    The recycling agricultural runoff concept is the storage of excess water from agricultural land and using this water for irrigation of the same land when moisture supplies are low. Coincidentally, the system also recycles ...

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  • Schlosser, Isaac J.; Karr, James R. (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-01)

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  • Walker, P.N.; Thorne, M.D.; Benham, E.C.; Goetsch, W.D. (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-04)
    This project investigated combinations of both irrigation and drainage treatments in order to determine the best water management practices for field crop production in claypan soils in the upper Midwest. Four years of ...

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  • Braden, John B.; Uchtmann, Donald L.; Prutton, Douglas R. (University of Illinois at Urbana-Champaign. Water Resources Center, 1982-08)
    Control strategies for nonpoint source agricultural pollutants rely heavily on federal and state soil conservation agencies. Difficulties in accomplishing pollution control goals result from long standing administrative ...

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  • Lembke, W.D.; Mitchell, J.K.; Fehrenbacher, J.B.; Barcelona, M.J. (University of Illinois at Urbana-Champaign. Water Resources Center, 1983-01)
    Lake Paradise, a water supply lake for Mattoon, Illinois, has lost much of its capacity due to sediment. This was a study to determine the agricultural benefit of Lake Paradise sediment when applied to farmland on the lake ...

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  • Stout, Glenn E.; Walker, Paul N.; Goetsch, W.D.; Austin, T. Al; Golchin, Jahanshir; Shahvar, Zohreh; Anderson, C.E.; Johnson, H.P.; Shaw, Robert H.; Arjmand, Olya; Miller, William L.; Clouser, Rodney L.; Erhabor, Patrick; Sobek, Joseph; Eidman, Vernon R.; Wilson, Paul N.; Sheaffer, Craig C. (University of Illinois at Urbana-Champaign. Water Resources Center, 1983-04)
    The objectives of this multidisciplinary interinstitutional regional study on the efficient use of water for irrigation in the upper Midwest were: (1) to determine parameters needed for existing or improved models of crop ...

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  • Sipp, S.K.; Lembke, W.D.; Boast, C.D.; Thorne, M.D.; Walker, P.N. (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-06)
    Irrigation scheduling with soil moisture monitoring devices provided the most efficient use of water on claypan soils. Corn was found to be particularly responsive to both drainage and irrigation with average yield increases ...

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  • Mostaghimi, Saied; Lembke, Walter D.; Boast, Charles W. (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-09)
    This was a study to evaluate the suitability of subirrigation along with alternative soil and water trujlnagement practices on claypan soil. Crop yields on these soils are usually low because of limited water management ...

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  • Scott, John T., Jr.; Taylor, James A.K.; Braden, John B. (University of Illinois at Urbana-Champaign. Water Resources Center, 1985-12)
    The aim of this study is to determine the potential for supplemental crop irrigation of the tight subsoil area of Southern Illinois with surface water impounded in small catchment reservoirs. The geographic area of the ...

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