共 31 条
[1]
Acharya S.S., 1994, AGR PRICES ANAL POLI
[2]
Alston JM., 1995, Science under scarcity: principles and practice for agricultural research evaluation and priority setting
[3]
[Anonymous], 2001, PATENTS MYTHS REALIT
[4]
[Anonymous], SEEDS CONTENTION WOR
[5]
Carpenter J., 2002, Comparative Environmental Impacts of Biotechnology-Derived and Traditional Soybean, Corn, and Cotton Crops
[6]
*EICA, 2001, IND COTT ANN 1999 20
[8]
*FAO, 2003, FAOSTAT ONL DAT
[10]
Griffin R. C., 1987, W J AGR EC, V12, P216