TY  - BOOK
AU  - Beek, J.
AU  - Frissel, M.J.
TI  - Simulation of nitrogen behavior in soils
SN  - 9022004406
U1  - 631.417 21st ed.
PY  - 1973///
CY  - Wageningen
PB  - Centre for Agricultural Publishing and Documentation
KW  - Soil microbiology
KW  - Soils - Nitrogen content
ER  -