Tan, Kim H. Principles of soil chemistry/ Kim H. Tam - 4th ed. - Boca Raton: CRC Press, 2011. - xxvii,362p.: ills., charts; 24cm. - Books in soils, plants and the environment . Includes bibliographical references and index. ISBN: 9781138098725 Rs.2295.00 Subjects--Topical Terms: SOIL CHEMISTRY Dewey Class. No.: 631.41 / TAN/P