TY  - BOOK
AU  - Stevenson, F. J.
TI  - Nitrogen in agricultural soils
T2  - Agronomy
SN  - 0891180702
AV  - S592.6.N5 N566 1982
U1  - 631.416 19
PY  - 1982///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Soils
KW  - Nitrogen content
KW  - Plants
KW  - Effect of nitrogen on
KW  - Crops and soils
KW  - Nitrogen fertilizers
N1  - Includes index
ER  -