00561nam a2200193Ia 4500 170901s1973 xx 000 0 und d 9022004406 631.4 B39S Beek, J Simulation of nitrogen behaviour in soils Wageningen Centre for Agricultural Publishing and Documentation 1973 67 Agriculture and related technologies Technology (Applied sciences) Nitrogen simulation Soils Frissel, M.J ddc BK 13084 13084 0 0 ddc 0 0 RAU RAU 2017-10-18 0 631.4 B39S 6935 2017-10-18 2017-10-18 BK