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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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