| 稻—萍—鱼系统中红萍氮素吸收利用及有效性研究 |
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| 引用本文： | 翁伯琦,唐建阳,陈炳焕,刘中柱.稻—萍—鱼系统中红萍氮素吸收利用及有效性研究[J].生态学报,1991,11(1):25-31. |
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| 作者姓名： | 翁伯琦 唐建阳 陈炳焕 刘中柱 |
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| 作者单位： | 福建省农科院红萍研究中心 |
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| 摘 要： |
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| 关 键 词： | 红萍 稻－萍－鱼系统 氮素利用 |
| 收稿时间： | 1989/9/20 0:00:00 |
STUDY ON UTILIZABILITY AND AVAILABILITY OF AZOLLA- NITROGEN IN THE "RICE-AZOLLA-FISH" SYSTEM OF PADDY FIELD |
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| Weng Bo-Qi.STUDY ON UTILIZABILITY AND AVAILABILITY OF AZOLLA- NITROGEN IN THE "RICE-AZOLLA-FISH" SYSTEM OF PADDY FIELD[J].Acta Ecologica Sinica,1991,11(1):25-31. |
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| Authors: | Weng Bo-Qi |
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| Institution: | Azoela Research Center; Fujian Academy of Agricultural Sciences |
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| Abstract: | Azolla is a good fodder to fish. The Azolla-N can be uptaken availably by fish. When Azolla was used as fodder for fish, 60% of Azolla-N were utilized, a half of such Azolla-N uptaken being incorporated into fish body (Clenopharyn idellus and Tilapia nilotica) and another half being excreted as fish feces. The weight of T. nilotica increased by 41-48% during early season under the condition of paddy field, where Azolla (60kgN/ha) was put into rice-Azolla-fish ecosystem as the fish fodder. After that, the Aa... |
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| Keywords: | Azlla 'rice-Azolla-fish' system effeciency of Nitrogen |
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