TY  - BOOK
ED  - International Symposium on Tropical Agriculture Research
ED  - Tropical Agriculture Research Center.
TI  - Soil constraints on sustainable plant production in the tropics: [proceedings...]
T2  - Tropical agriculture research,
SN  - 03889386
PY  - 1991///
CY  - Tsukuba, Japan
PB  - Tropical Agriculture Research Center
KW  - Sustainable agriculture
KW  - Tropics
KW  - Soil fertility
KW  - Soil productivity
KW  - Soil conservation
KW  - Research
N1  - Proceedings of the ISTAR, held Kyoto, August 14-16, 1990; Includes bibliographical references
ER  -