Published in the United States of America by
Lynne Rienner Publishers, Inc.
948 North Street, Boulder, Colorado 80302

 1985 by Lynne Rienner Publishers, Inc. All rights reserved


Library of Congress Cataloging in Publication Data

Hildebrand, Peter E.
 On-farm agronomic trials in farming systems
research and extension.

 Includes index.
 1. Agriculture--Research--On-farm. 2. Field experi-
ments. 3. Agricultural innovations--Research.
4. Agricultural systems--Research. 5. Agricultural
extension work. 6. Appropriate technology--Research.
I. Poey, Federico, 1933- II. Title.
S540.053H55 1985 630'.72 84-27597
ISBN 0-931477-10-7 (lib. bdg.)
ISBN 0-931477-11-5 (pbk.)


Distributed outside of North and South America and Japan
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London WC2E 9DS England


Printed and bound in the United States of America