| 缓释肥料的开发 |
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| 引用本文： | 郝万晨.缓释肥料的开发[J].应用化工,2003,32(5):8-10. |
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| 作者姓名： | 郝万晨 |
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| 作者单位： | 渭南师范学院,化学系,陕西,渭南,714000 |
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| 摘 要： | 缓释肥料的开发途径有:①通过化学反应合成缓释肥料,如脲醛缩合物;②对化肥进行包膜,制成包膜肥料;③掺入阻硝化剂或脲酶抑制剂制成缓释肥。其在土壤中的溶解速度慢,硝化分解时间长,养分利用率高,是环保节能产品。
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| 关 键 词： | 合成缓释肥料 包膜肥料 阻硝化剂 脲酶抑制剂 |
| 文章编号： | 1671-3206(2003)05-0008-03 |
Development of slow-release fertilizers |
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| Abstract: | The ways for developing slow release fertilizers are:①synthesize the slow release fertilizers by chemical reaction,such as urea formaldehyde condensation products;②the granular fertilizers are coated with coating materials to preparing the coated granular fertilizers;③the nitrification inhibitors or urease inhibitors are mixed into fertilizer to manufacturing the slow release fertilizers.The utilization factor of the nutrients in slowerlease fertilizer is higher because the dissolved rate of slow release fertilizer is slower and the nitrifying decomposition period is longer in the soil.It is the energy saving and enviromental friendly product. |
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| Keywords: | slow-release fertilizer coated granular fertilizer nitrification inhibitor urease inhibitor |
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