TY  - SER
AU  - Stelly, M.,
TI  - Agronomy Journal Vol. 66 (1,4,5)
U1  - 630.5 
PY  - 1974///
CY  - Madison
PB  - American Society of Agronomy
KW  - Agriculture. & related technologies
KW  - Agronomy
ER  -