TY  - BOOK
AU  - FRISSEL, M. J
TI  - Simulation of nitrogen behaviour of soil-plant systems
U1  - 631.41 W83S 
PY  - 1981///
PB  - Wageningen
KW  - SOIL -- NITROGEN CONTENT -- SIMULATION METHODS
KW  - SOIL -- NITROGEN CONTENT -- SIMULATION METHO
KW  - SOILS -- NITROGEN CONTENT -- CONGRESSES
ER  -