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公开(公告)号:CA1272613A
公开(公告)日:1990-08-14
申请号:CA507372
申请日:1986-04-23
Applicant: BASF AG
Inventor: VON MAESSENNAUSEN WALTER , CZIKKELY VILMOS , JUNG JOHANN
Abstract: . Soils are fertilized by application of a composition exhibiting a delayed release of nitrogen. This composition consists of ammonium syngenite (NH4)2SO4.CaSO4.H2O or a mixture of finely divided ammonium sulfate, calcium sulfate,. calcium chloride and/or dicalcium phosphate with the proviso that the molar ratio of Ca to SO4-- in the mixture is 1 :2 + 10%.