Soil and Health Library This document is a reproduction of the book or other copyrighted material you requested. It was prepared on Monday, 5 November 2012 for the exclusive use of D. van Zanten, whose email address is
[email protected] This reproduction was made by the Soil and Health Library only for the purpose of research and study. Any further distribution or reproduction of this copy in any form whatsoever constitutes a violation of copyrights. GETTING FOOD FROM WATER A Guide to Backyard Aquaculture by GENE LOGSDON Rodale Press, Emmaus, Pennsylvania Copyright © 1978 by Rodale Press, Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system without the written permission of the publisher. Grateful acknowledgement is made to the National Audubon Society for permission to reprint material from "The Oxbow" by Ed Bry, which originally appeared in the May 1969 issue of Audubon magazine. Copyright © 1969 by the National Audubon Society. Printed in the United States of America on recycled paper, containing a high percentage of de-inked fiber. Library of Congress Cataloging in Publication Data Logsdon, Gene. Getting food from water. Bibliography: p. Includes index. I. Aquaculture. 2. Farm ponds. 3. Fish ponds. I. Title. SH135.L63 630'.9169 78-16415 ISBN 0-87857-232-5 CONTENTS Introduction ix 1. The Meaning of Watershed 1 Drawing Nature's Boundaries 1 Manipulating Water 4 2. Beginnings: The Never-Failing Spring 7 Growing Watercress 9 Multiplying a Spring's Usefulness 12 Irrigation from Springs 15 Measuring Spring-Flow Rates 16 Capturing a Spring 18 The Springhouse 22 3.