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Ground water research, information, and policy needs: Strategies and priorities for extension

Published online by Cambridge University Press:  30 October 2009

Charles A. Francis
Charles A. Francis
Affiliation:
Professor of Agronomy and Extension Crops Specialist, University of Nebraska, Lincoln, NE 68583.
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Abstract

The Cooperative Extension Services in many states have concentrated on educational publications and programs which describe the complexities of the hydrologic cycle and where pollutants can enter the system. Recognizing that farming is a prime source of nonpoint source pollution in some areas, extension programs have focused on alternative agricultural practices which can reduce that pollution. Both national and state extension services have published recommendations on increasing public awareness, developed linkages with research, and provided leadership in education about pollution problems and how to solve them. The current national task forces on extension priorities include “water quality” as one of eight key areas for future extension emphasis. Alternative farming practices which can help reduce the pollution levels from agriculture include careful soil sampling, interpretation of analyses, setting yield goals, and matching nutrient applications to crop needs. Modified methods of nutrient application can also help. Reduced tillage, crop rotations, increased use of legumes, and keeping cover on the land through a greater part of the year can all help. Reduced applications of pesticides and use of alternative pest control measures have potential to improve ground water quality. There are economic as well as environmental reasons to reduce chemical and fertilizer applications in agriculture. This is a critical time for producers and researchers to examine alternative practices which can help improve ground water quality for future generations.

Type
Articles
Information
American Journal of Alternative Agriculture , Volume 2 , Issue 1 , Winter 1987 , pp. 32 - 36
Copyright
Copyright © Cambridge University Press 1987

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