TY - BOOK AU - Datta, S.K. TI - Soil Conservation and Land Management U1 - 631.45 21st ed. PY - 1986/// CY - Dehradun PB - International Book Distributor KW - Grassland management KW - Land management KW - Natural resources KW - Soil conservation KW - Watershed management N1 - 323-31 includes index ER -