tailieunhanh - CONTROL OF WATER POLLUTION FROM AGRICULTURE

Tham khảo sách 'control of water pollution from agriculture', khoa học tự nhiên, công nghệ môi trường phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 1SSN0254-52 Ì Control of water pollution from agriculture FAO IRRIGATION AND DRAINAGE PAPER 55 Food and Agriculture Organization of the United Nations Control of water pollution from agriculture FAO IRRIGATION AND DRAINAGE PAPER by Edwin D. Ongley GEMS Water Collaborating Centre Canada Centre for Inland Waters Burlington Canada Food and Agriculture Organization of the United Nations Rome 1996 The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country territory city or area or of its authorities or concerning the delimitation of its frontiers or boundaries. M-56 ISBN 92-5-103875-9 All rights reserved. No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of the copyright owner. Applications for such permission with a statement of the purpose and extent of the reproduction should be addressed to the Director Information Division Food and Agricultureorganization of the United Nations Viale delle Terme di Caracalla 00100 Rome Italy FAO .

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