TY - BOOK TI - Production of Vegetables in the Tropics and Sub-Tropics T2 - Tropical Agriculture Research Series: No 23 SN - 03889386 PY - 1989/// CY - Ministry of Agriculture, Forestry and Fisheries Tsukuba, Ibaraki, 305 Japan PB - Tropical Agriculture Research Center KW - Proceeding of the 23rd International Symposium on Tropical Agriculture Research tsu, Japan, September 20-22, 1989 ER -