Nitrogen-fixing trees as multipurpose species for soil conservation

by 40068 Adams, N.R., 39486 (eds.), 123177 TACIO, H.D., 130718 WATSON, H.R., 84979 LAQUIHON, W.A., 131893 Withington, D., 88945 Macdicken, K.G., 116501 Sastry, C.B., 21075 Winrock International Institute for Agricultural Development, Arkansas (EUA), 9484 IDRC, Ottawa (Canadá), 36354 Multipurpose tree species for small-farm, Pattaya (Thailand), 2-5 Nov 1987