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

IPC: C05B3/00 ,  C05C3/00 ,  C05C5/04 ,  C05D3/00 ,  C05G1/00

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%.