AU - Bhattacharyya,T. AU - Chandran, P. AU - Mandal, C. AU - Wani, S.P. AU - Ramesh, V. AU - Manna, M.C. ED - National Bureau of Soil Survey & Land Use Planning, Maharashtra. ED - Central Research Institute for Dryland Agriculture, Andhra Pradesh. ED - Indian Institute of Soil Science, Madhya Pradesh. ED - Indian Council of Agricultural Research. TI - Morphological properties of red and black soils of selected Benchmark spots in semi-arid tropics of India T2 - Global Theme on Agroecosystems - Report No. 21, U1 - 631.406 PY - 2006/// CY - Andhra Pradesh : PB - Interntaional Crops Research Institute for the Semi-Arid Tropics , KW - Soil Conservation KW - Red & Black Soils KW - Semi-Arid Tropics ER -