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当前位置: 首页 > 文章 > 河西走廊盐渍区草地建植与改良综合技术及其效果草业学报 2002,11 (3) 14-21

Position: Home > Articles > Techniques on grassland establishment and rehabilitation at saline region, Hexi corridor</span> <a class="link-jour" href="/journal/detail.html?gid=17E85FC4-F154-4455-BAE2-DF6F65D7D439">Acta Prataculturae Sinica</a> 2002,11 (3) 14-21 </div> <div class="article_content"> <div class="article_details_left"> <div class="article_details"> <h3 id="ARTICLE_TITLE" class="article_title">河西走廊盐渍区草地建植与改良综合技术及其效果</h3> <div class="abs-indent"> <div class="indent-list"> <div class="list-label">作者：</div> <div class="list-cont" data-cls="author-item">沈禹颖;张自和;赵银;李昀;郭正刚;侯扶江;王钦;李志龙;卫广</div> </div> <div class="indent-list"> <div class="list-label">单位：</div> <div class="list-cont" data-block="div">兰州大学草地农业科技学院</div> </div> <div class="indent-list"> <div class="list-label">关键词：</div> <div class="list-cont">河西走廊;盐渍化;草地建植;人工草地;草地改良</div> </div> <div class="indent-list"> <div class="list-label">摘要：</div> <div class="list-cont" data-skip="true">在甘肃河西走廊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/hm2。排阴沟显著降低0～60cm土壤可溶性全盐含量。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。</div> </div> </div> <div class="article_abs abs-indent"> <div class="indent-list"> <div class="list-label">译名：</div> <div class="list-cont"><title>Techniques on grassland establishment and rehabilitation at saline region, Hexi corridor</div> </div> <div class="indent-list"> <div class="list-label">作者：</div> <div class="list-cont" data-cls="author-item">SHEN Yuying1,ZHANG Zihe1,ZHAO Yin1,LI Yun2,GUO Zhenggang1HOU Fujiang1,WANG Qin1,LI Zhilong1,WEI Guang1(1.College of Pastoral Agriculture Science and Technology, Lanzhou University;Gansu Grassland Ecological Research Inst</div> </div> <div class="indent-list"> <div class="list-label">关键词：</div> <div class="list-cont">Hexi corridor ; saline; grassland establishment; artificial grassland; grassland improvement</div> </div> <div class="indent-list"> <div class="list-label">摘要：</div> <div class="list-cont" data-skip="true"><Abstrcat>Salined pasture plays an important role in animal husbandry of Hexi Corridor. Grassland establishment and rehabilitation implicates artificial grassland establishing and native pasture rehabilitating. A synthesized technique frame for grassland establishment and rehabilitation in inland salined region should include both biofactors and environmental factors ,i.e. species selection, seedbed preparation, sowing time determination, mixture swards establishment, an effective irrigation and drainage system as well as adequate fertilizing and cutting frequency. The forage yield was 10 t,4.6t and 8.7 t /hm2 respectively for sudangrass(Sorghum sudanense), meadow fescue (Festuca elatior) and mixture of alkaligrass(Puccinellia tenuiflora), sweet clover (Melilotus officinalis) and meadow fescue,2years after the technique implementation at Linze experimental area, Gansu province. The 2 m depth drainage ditch showed an effective function to reduce the total soluble salt content within 060 cm soil profile, meanwhile the soil OM content increased by 0.6 g/kg, available N, total N, total P of soil went up 24.56% ,25.21%,35.07% respectively compared to the initial establishment. N fertilizer significantly increased the total biomass and total density of Leymus dasystachys + Phragmite communis sward in Hexi corridor, the community structure and biomass could be affected by various N fertilizer rate.</div> </div> </div>  </div> <div class="share-box"> <div class="share"> <script type="text/javascript" charset="utf-8" src="/frontend/b/buttonLite.js#style=-1&uuid=&pophcol=2&lang=zh"></script> <script type="text/javascript" charset="utf-8" src="/frontend/b/bshareC0.js"></script> <div class="bshare-custom"> <p style="height: 26px; padding-top: 5px;"> <span>分享到：</span> <a title="分享到QQ空间" class="bshare-qzone share_btn"></a> <a title="分享到微博" class="bshare-sinaminiblog share_btn"></a> <a title="分享到微信" class="bshare-weixin share_btn" href="javascript:void(0);"></a> <span class="BSHARE_COUNT bshare-share-count">0</span> </p> </div> <script type="text/javascript" charset="UTF-8"> bShare.init(); $('.share_btn').on('click', function () { var entity = { title: 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