发明名称 |
Method for producing granular coated fertilizer |
摘要 |
The present invention provides a method for producing a controlled-release coated fertilizer which provides few floats when applied in water, gives uniform coat and makes it possible to release fertilizer ingredient constantly in a short time at ordinary temperature to low temperature. The method comprises adding water-absorptive polymer to granular fertilizer and then coating it with at least one urethane resin layer.
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申请公布号 |
US6358295(B1) |
申请公布日期 |
2002.03.19 |
申请号 |
US20010798905 |
申请日期 |
2001.03.06 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
TABEI NOBUAKI;SAITOU NORIAKI;ENDO KAZUHISA |
分类号 |
C05G3/00;(IPC1-7):C05G3/00 |
主分类号 |
C05G3/00 |
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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