TY  - SER
ED  -  American Society of Agronomy.
ED  -  Crop Science Society of America.
ED  -  Soil Science Society of America.
TI  -  Journal of production agriculture
SN  -  0890-852
U1  -  338.16 
PY  - 1987///-c1999]
CY  -  Madison, WI. : 
PB  -  American Society of Agronomy, Crop Science of Amer ica, and Soil Science of America, 
KW  -  Agriculture
KW  -  Economic aspects
KW  -  Research
KW  -  Periodicals
KW  -  Crops and soils
N1  -  Latest issue consulted: Vol. 8, no. 2 (Apr. 1995)
ER  -