TY  - SER
AU  - Hatsfield, J. L.,
TI  - Agronomy Journal Vol. 92 (1-3)
U1  - 630 
PY  - 2000///
CY  - USA
PB  - Americal Society of Agronomy
KW  - Agriculture. & related technologies
KW  - Agronomy
ER  -