共 65 条
[1]
ABDULBAKI AA, USDA FB2279 FARM B
[2]
AVERY DT, 1994, 162 HUDS I HUDS BRIE
[3]
AVERY DT, 1994, 162 HUDS I HUDS BRIE, P11
[4]
WIDESPREAD ADOPTION OF NONCONVENTIONAL AGRICULTURE - PROFITABILITY AND IMPACTS
[J].
AMERICAN JOURNAL OF ALTERNATIVE AGRICULTURE,
1989, 4 (3-4)
:128-134
[5]
ORGANIC AGRICULTURE IN OHIO - AN ECONOMIC-PERSPECTIVE
[J].
JOURNAL OF PRODUCTION AGRICULTURE,
1993, 6 (04)
:536-542
[6]
Benbrook C.M., 1991, SUSTAINABLE AGR RES
[7]
ORGANIC AND CONVENTIONAL WHEAT PRODUCTION - EXAMINATION OF ENERGY AND ECONOMICS
[J].
AGRO-ECOSYSTEMS,
1978, 4 (03)
:367-376
[8]
BORLAUG NE, 1988, ENCY BRIT, P9
[9]
BORLAUG NE, 1988, ENCYCL BRITANNICA, P14
[10]
BROWN LB, 1994, STATE WORLD 1994