tailieunhanh - Food Security and Environmental Quality in the Developing World

The new century has begun with some of the lowest grain prices in recent memory. From an economist’s vantage point, this is a sure sign of excess production capacity. However, there may be more here than meets the economist’s eye. Natural scientists, many of whom have contributed to this volume, see something very different. They see reason to be concerned about such issues as the overplowing of land and the overpumping of aquifers. They look at sustainable production and see a worrisome fraction of world food output being produced with the unsustainable use of land and water | Food Security and Environmental Quality in the Developing World Rattan Lal David Hansen Norman Uphoff Steven Slack Foreword by Lester R. Brown J LEWIS PUBLISHERS A CRC Press Company Boca Raton London New York Washington . 2003 by CRC Press LLC Cover Photo Wasting the fruits of the Green Revolution through open air grain storage in Punjab. Library of Congress Cataloging-in-Publication Data Food security and environmental quality in the developing world Rattan Lal . et al. . p. cm. Includes bibliographical references and index. ISBN 1-56670-594-0 alk. paper 1. Food supply--Developing countries. 2. Agriculture-Environmental aspects--Developing countries. I. Rattan Lal 1918- DNLM 1. Hepatitis B virus. QW 710 G289h f6655 2002 9 091724 dc21 2002069361 This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use. Neither this book nor any part may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying microfilming and recording or by any information storage or retrieval system without prior permission in writing from the publisher. All rights reserved. Authorization to photocopy items for internal or personal use or the personal or internal use of specific clients may be granted by CRC Press LLC provided that per page photocopied is paid directly to Copyright Clearance Center 222 Rosewood Drive Danvers MA 01923 USA. The fee code for users of the Transactional Reporting Service is ISBN 1-5667-0594-0 02 . The fee is subject to change without notice. For organizations that have been granted a photocopy license by the CCC a separate system of payment has .