TY  - BOOK
AU  - Stevenson,F.J.,ed
TI  - Nitrogen in agricultural soils
SN  - 0891180702
PY  - 1982///
CY  - Madison, Wisconsin
PB  - American Society of Agronomy
KW  - Soils
KW  - Nitrogen content
KW  - Plants, Effects of nitrogen on
KW  - Crops and soils
KW  - Nitrogen fertilizers
N1  - Includes bibliographical references and index; Open Access
ER  -