TY - BOOK AU - Rao,M.R. AU - Singh,M. ED - International Council for Research in Agroforestry. TI - Productivity and risk evaluation in contrasting intercropping system s / PY - 1990/// CY - Nairobi : PB - International Council for Research in Agroforestry, KW - Intercropping N1 - Reprinted from Field crops research, 23: 279-93. 1990; Includes bibliographical references ER -