TY  - GEN
AU  - Frissel, M J
AU  - Veen, Van J A
TI  - Simulation of NItrogen behaviour of soil - plant systems: Proceedings of the symposium models for the behaviour of Nitrogen
SN  - 9022007359
U1  - 631.8470724 FRI 
CY  - Wageningen, Centre for Agricultural Publishing and documentation
KW  - Soil - plant - growth
ER  -