TY  - BOOK
AU  - Bartholomew W V
AU  - Bartholomew, W V
AU  - Clark, F E
AU  - Bartholomew W V
AU  - Clark F E
TI  - Soil Nitrogen
U1  - 631.41/BAR 
PY  - 1965///
PB  - Wisconsin American Society of Agronomy
KW  - Grains
ER  -