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Practical applications of low-input agriculture in the midwest

Charles A. Francis
Journal of Soil and Water Conservation January 1990, 45 (1) 65-67;
Charles A. Francis
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TODAY'S realities for Midwest farmers include gradual increases in costs of production inputs and continuing declines, in real terms, of prices received for principal feed grain products. Nation-wide, farmers have reacted to current economic pressures and environmental concerns by reducing purchased inputs over the past five years by about 15 percent—more than $20 billion. Biological realities include lower potential productivity as a result of topsoil loss, higher costs for pumping irrigation water because of lower groundwater levels, and increased needs for fertilizers and pesticides.

More and more people are becoming aware of some of the unintended consequences of diligent application of conventional products and use of recommended techniques. The environmental realities include high groundwater nitrate levels in some areas, presence of pesticides and residues in some wells, and off-target effects of herbicides and insecticides. Surface of herbicides and insecticides. Surface runoff of suspended clays, soluble nitrate, and some pesticides has reached streams and lakes. These problems have been reported and discussed in recent symposia and publications (>5, 7, 9, 21).

Global environmental implications of current practices have been discussed in the annual publication State of the World 1989 (4). Most analyses of the …

Footnotes

  • Charles A. Francis is professor of agronomy and extension crops specialist with the Cooperative Extension System, Institute of Agriculture and Natural Resources, University of Nebraska, Lincoln, 68583-0910. Paper Number 9039, Journal Series, Nebraska Agricultural Experiment Station. This article is adapted from Francis' presentation at the conference “The Promise of Low-Input Agriculture: A Search for Sustainability and Profitability.”.

  • Copyright 1990 by the Soil and Water Conservation Society

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Journal of Soil and Water Conservation: 45 (1)
Journal of Soil and Water Conservation
Vol. 45, Issue 1
January/February 1990
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Practical applications of low-input agriculture in the midwest
Charles A. Francis
Journal of Soil and Water Conservation Jan 1990, 45 (1) 65-67;

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Practical applications of low-input agriculture in the midwest
Charles A. Francis
Journal of Soil and Water Conservation Jan 1990, 45 (1) 65-67;
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