Top 50 words repeated twice, next 100 once, plus phrases. The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competencies and with regard for appropriate balance. This report has been reviewed by a group other than the authors according to procedures approved by a Report Review Committee consisting of members of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. Includes bibliographical references and index.
Water qualify management United States.
Sediment control-United States. 1993 by the National Academy of Sciences. All rights reserved. These objectives and the technologies available to implement them in agricultural production are presented in Chapter 2. The task then became to develop strategies to implement those objectives and to identify the changes in concepts, technologies, and policies that might be needed.