TY  - BOOK
AU  - Frissel,M.J.
AU  - Van Veen,J.A.
TI  - Simulation of nitrogen behaviour of soil-plant systems
U1  - 631.4 
PY  - 1981///
CY  - 
PB  - Centre for Agriculture Publishing and Documentation
KW  - Nitrogen Behaviour
KW  - Soil Plant
KW  - Soil Science
ER  -