TY - BOOK AU - Tripathi, R P AU - Singh, H P TI - Soil erosion and conservation SN - 9788122403053 U1 - 631.45 TRI PY - 2008/// CY - New Delhi PB - New Age International ( P) Limited, Publishers KW - Soil conservation KW - Soil erosion KW - Soil Erosion N1 - Includes index ER -