共 16 条
[1]
American Agricultural Economics Association, 2000, COMM COSTS RET EST H
[2]
[Anonymous], ORG PROD
[3]
An economic comparison of organic and conventional grain crops in a long-term agroecological research (LTAR) site in Iowa
[J].
AMERICAN JOURNAL OF ALTERNATIVE AGRICULTURE,
2003, 18 (02)
:59-69
[4]
Greene Catherine., 2003, U.S. Organic Farming in 2000-2001: Adoption of Certified Systems
[5]
Greene H.W., 2008, ECONOMETRIC ANAL, V6th
[6]
Hanson J. C., 1997, American Journal of Alternative Agriculture, V12, P2, DOI 10.1017/S0889189300007104
[7]
Mahoney PR, 2004, RENEW AGR FOOD SYST, V19, P35, DOI 10.1079/RAFS2000061
[8]
NELSON K, 2002, COMP NATTO CLEAR HIL
[9]
Pimentel D, 2005, BIOSCIENCE, V55, P573, DOI 10.1641/0006-3568(2005)055[0573:EEAECO]2.0.CO
[10]
2