TY  - BOOK
AU  - Wallis,J.A.N.
TI  - Intensified systems of farming in the tropics and subtropics
T2  - World Bank discussion paper,
SN  - 0821339443
AV  - S 481 .W35 1997
U1  - 630/.913 21
PY  - 1997///
CY  - Washington, D.C.
PB  - World Bank
KW  - Agricultural systems
KW  - Tropics
KW  - Dry farming
N1  - Includes bibliographical references (p. [167]-195)
ER  -