发明名称 Production method of combined phosphorus fertilizer and soil conditioner
摘要 A method for producing combined phosphorus fertilizer and soil conditioner in which phosphate rock and, as reaction matter, organic acidic matter are used. In a method according to the invention, the acidic mass is organic, for instance, bark waste, peat, peat mud or waste fibre from a cellulose production plant or the solid component of communal sewage.
申请公布号 US4710219(A) 申请公布日期 1987.12.01
申请号 US19860853354 申请日期 1986.04.17
申请人 WAHLBERG ARVO;WAHLBERG ANNA-MAIJA 发明人 WAHLBERG, DECEASED, ARVO;WAHLBERG, HEIRESS, BY ANNA-MAIJA
分类号 C05B1/04;C05B13/02;C05B17/00;C05F11/02;C05G1/00;(IPC1-7):C05F13/00 主分类号 C05B1/04
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