TY  - BOOK
AU  - Bartholomew,William Victor,1908-
AU  - Clark,Francis Eugene,1910- joint ed
TI  - Soil nitrogen
PY  - 1965///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Soils
KW  - Nitrogen content
KW  - Plants, Effect of nitrogen on
N1  - Includes bibliographies
ER  -