Tripathi, R P Soil erosion and conservation R P Tripathi; H P Singh - New Delhi New Age International ( P) Limited, Publishers 2008 - viii, 305 p. : ill. ; 25 cm Includes index ISBN: 9788122403053 Subjects--Topical Terms: Soil conservationSoil erosionSoil Erosion Dewey Class. No.: 631.45 TRI