TY - BOOK AU - Norman, M. J. T. AU - Pearson, C. J. AU - Searle, P. G. E. TI - The ecology of tropical food crops U1 - 631.50993 PY - 1984/// CY - Cambridge PB - Cambridge university KW - Agriculture KW - Tropical crops--Ecology KW - Food crops--Ecology N1 - Bibliography : pp. 286-353 ER -