TY - BK ED - Soil Management Collaborative Research Support Program (USA). United States. Agency for International Development TI - TropSoils Extension proposal 1989-1994 U1 - 91-046155 PY - 1989/// KW - Soil science and management N1 - ill. Cover title: TropSoils Extension proposal and program plan, 1989-1994. "Submitted April 1989 ... funded by Grant No. DAN-1311-G-SS-1083-00 from the U.S. Agency for International Development." US (DNAL S591.5.T7) T2 - [Raleigh, N.C. (USA)]. The Entity. [1989]. 156 p ER -