| 河西走廓盐渍区草地建植与改良综合技术及其效果 |
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| 引用本文： | 沈禹颖,李昀,等.河西走廓盐渍区草地建植与改良综合技术及其效果[J].草业学报,2002,11(3):14-21. |
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| 作者姓名： | 沈禹颖 李昀 |
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| 作者单位： | [1]兰州大学草地农业科技学院甘肃省草原生态研究所,兰州730020 [2]甘肃省动物营养研究所,兰州730030 |
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| 基金项目： | 甘肃省科技厅"九五"科技攻关项目(K971-2-34A),国家自然科学基金重点项目(39630250)资助 |
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| 摘 要： | 在甘肃河西走廓临泽盐渍草地试验区实施草地建植和综合技术后第2年,苏丹草,牛尾草,碱茅＋牛尾草＋草木樨人工草地产量分别达10005．7,4168．4和8760．8（DM）kg/hm^2。排阴沟显著降低0－60cm土溶性全盐含量。草地建植2年后,土壤0－60cm有机质含量平均增加0.6g/kg,速效氮,全氮,磷,钾分别增加24．56％,25．21％,35．07％,4．39％。施氮显著增加芦苇＋赖草草地地上生物量（P＜0．01）,并有调节群落各种群密度和生物量的功能。
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| 关 键 词： | 河西走廓 盐渍区 草地建植 综合技术 草地改良 |
| 文章编号： | 1004-5759(2002)03-0014-08 |
| 修稿时间： | 2002年5月23日 |
Techniques on grassland establishment and rehabilitation at saline region, Hexi corridor</b></span></td>
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<td align="left" height="25" valign="top" nowrap><b>Abstract:</b></td><td width="92%" align="left" valign="top"></td>
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<td align="left" valign="top" height="25" nowrap><b>Keywords:</b></td><td width="92%" valign="top" align="left" ><a href="search_by_key_words.aspx?subject=agricultural&major=xmdwyxslcf&orderby=referenced&field=key_word&q=Hexi+corridor&prev_q=Hexi corridor" target="_blank">Hexi corridor</a> <a href="search_by_key_words.aspx?subject=agricultural&major=xmdwyxslcf&orderby=referenced&field=key_word&q=saline&prev_q=saline" target="_blank">saline</a> <a href="search_by_key_words.aspx?subject=agricultural&major=xmdwyxslcf&orderby=referenced&field=key_word&q=grassland+establishment&prev_q=grassland establishment" target="_blank">grassland establishment</a> <a href="search_by_key_words.aspx?subject=agricultural&major=xmdwyxslcf&orderby=referenced&field=key_word&q=artificial+grassland&prev_q=artificial grassland" target="_blank">artificial grassland</a> <a href="search_by_key_words.aspx?subject=agricultural&major=xmdwyxslcf&orderby=referenced&field=key_word&q=grassland+improvement&prev_q=grassland improvement" target="_blank">grassland improvement</a></td>
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