| 三种植物在不同肥力下对紫茎泽兰的生态控制效果 |
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| 引用本文： | 周泽建,周美兰,刘万学.三种植物在不同肥力下对紫茎泽兰的生态控制效果[J].中国农学通报,2006,22(6):351-351. |
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| 作者姓名： | 周泽建 周美兰 刘万学 |
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| 作者单位： | 1. 湖南农业大学农学院,湖南,长沙,410128
2. 中国农业科学院农业环境与可持续发展研究所,北京,100081 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 以狗尾草、黑麦草、白三叶为材料研究了混栽其中的紫茎泽兰在不同肥力条件下的生长状况。结果表明，黑麦草和白三叶在高肥力的条件下对紫茎泽兰的控制效果最好，中肥力次之，低肥力最差；而狗尾草在三种肥力条件下最终控制效果基本相同，基本上消灭了紫茎泽兰。因此可以建议，在土壤肥力较差时，可以通过施肥等措施来加强黑麦草和白三叶的竞争力，从而达到控制紫茎泽兰的作用。
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| 关 键 词： | 木薯 木薯 吲哚丁酸 生长 光合作用 蒸腾作用 |
| 收稿时间： | 2005-01-20 |
| 修稿时间： | 2005-01-202006-02-15 |
A Study on Ecological Control of Crofton Weed by Three Different Plants under Different Fertility Conditions |
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| Zhou Zejian,Zhou Meilan,Liu Wanxue.A Study on Ecological Control of Crofton Weed by Three Different Plants under Different Fertility Conditions[J].Chinese Agricultural Science Bulletin,2006,22(6):351-351. |
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| Authors: | Zhou Zejian Zhou Meilan Liu Wanxue |
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| Institution: | 1.A gricultural college of Hunan agricultural university, HUNA N Changsha 410128; 2.Environment and sustainable development in agriculture, Chinese Academy of Agricultural science,Beijian 100081 |
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| Abstract: | The growth character of crofton weed in mixture transplanting with different green bristlegrass perennial ryegrass and Trifolium repens under different management conditions was studied. It was shown that effect of management for crofton weed by perennial ryegrass and Trifolium repens was more powerful under high fertility compare with middle and low fertility, but final effect of management for crofton weed by green bristlegrass was uniform under three conditions of high middle and low fertility, basically, croften weed was eliminated by green bristlegrass. It was concluded therefore that fertilization can be used to strengthen the competitive ability of perennial ryegrass and Trifolium repens with crofton weed, so crofton weed was restrained effectively. |
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| Keywords: | Green bristlegrass perennial ryegrass Trifolium repens Crofton weed Different fertility Effect of management Competitive ability |
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