Beek, J.
Simulation of nitrogen behaviour in soils/ J. Beek and M.J. Frissel - Wageningen: Centre for Agricultural Publishing and Documentation, 1973 - 67p. - Simulation monographs .
Soil chemistry
Soils--Nitrogen content
Simulation of nitrogen behaviour in soils/ J. Beek and M.J. Frissel - Wageningen: Centre for Agricultural Publishing and Documentation, 1973 - 67p. - Simulation monographs .
Soil chemistry
Soils--Nitrogen content