Innovative Saline Agriculture
The land degradation due to salinity and waterlogging is a global phenomenon, afflicting about one billion hectares within the sovereign borders of at least 75 countries. Besides staring at the food security, it has far reaching and unacceptable socio-eco
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novative Saline Agriculture
Innovative Saline Agriculture
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J.C. Dagar • P.C. Sharma • D.K. Sharma • A.K. Singh Editors
Innovative Saline Agriculture
Editors J.C. Dagar ICAR-Central Soil Salinity Research Institute Karnal Haryana, India
D.K. Sharma ICAR-Central Soil Salinity Research Institute Karnal Haryana, India
P.C. Sharma Crop Improvement Central Soil Salinity Research Institute Karnal Haryana, India A.K. Singh Rajmata Sindia Agricultural University Gwalior Madhya Pradesh, India
ISBN 978-81-322-2768-7 ISBN 978-81-322-2770-0 DOI 10.1007/978-81-322-2770-0
(eBook)
Library of Congress Control Number: 2016940306 # Springer India 2016 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper This Springer imprint is published by Springer Nature The registered company is Springer (India) Pvt. Ltd.
Foreword
To meet the requirements of food and other agricultural commodities for a burgeoning population is a big challenge for the agricultural community and policymakers. Climate change and land degradation are major constraints to increase agricultural productivity. With the increasing demand for goodquality land and water for urbanisation and development projects, agriculture will be pushed more and more to the marginal lands, and the use of poorquality waters for irrigation is inevitable. In most of the arid and semiarid regions, the groundwater aquifers are also saline. Usually cultivation of conventional arable crops with saline irrigation has not been considered sustainable. Provision and expansion of irrigation, being the most effective way of controlling the other agriculture production factors, have helped in increasing food production and nutritional security. However, irrigation without adequate drainage is leading to waterlogging and secondary salinisation. Soil salinity is a global phenomenon and about one billion hectares are affected by salinity. In India, around 6.75 million hectares of area has been estimated to be
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