TY  - JA
AU  - Olson,R.K.
TI  - The future context of sustainable agriculture:  planning for uncertainty
SN  - 1044-0046
U1  - 94-043590 
PY  - 1992///
KW  - America
KW  - Cropping patterns and systems
KW  - Ecology
KW  - Land economics and policies
KW  - Land resources
KW  - Natural resources
KW  - Nature conservation and land resources
KW  - North America
N1  - references US (DNAL S494.5.S86S8)
T2  - Journal of sustainable agriculture (USA). (1992). v. 2(3) p. 9-20
ER  -