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a'><h2>国家林草局等大力推广免耕补播技术提升草原生态质量</h2><small lang="ea3375"></small><sup draggable="10256a"></sup><time dropzone="54fcd9"></time><div dropzone="4dd947" class='f07d5f addi2'>时间：2010-12-5 17:23:32&nbsp;&nbsp;作者：综合 &nbsp;&nbsp;来源：休闲&nbsp;&nbsp;查看：<script src="/count.php?view=yes&aid=&mid=" type='text/javascript' language="javascript"></script>&nbsp;&nbsp;评论：0</div><tt date-time="0016bb"></tt><var dir="6db1b8"></var><area lang="5be392"></area><div date-time="a6d683" class='g94907 clear'></div><div></div></div><map draggable="0c54c6"></map><bdo dropzone="f7ce29"></bdo><dfn date-time="178464"></dfn><div dir="475ffb" class='h30327 clear'></div><font dir="db4689"></font><ins lang="8ce0f4"></ins><small draggable="a661ed"></small><div lang="d478f0" class='i0278a b'><sup dropzone="c4f931"></sup><time date-time="285cb8"></time><tt dir="9c562b"></tt><div draggable="ffaa63" class='j4e680 note'><b>内容摘要：</b>新华社11月15日电记者胡璐）免耕补播是草原生态修复的一项重要技术。国家林草局等日前发布通知，提出大力推广免耕补播技术，提升草原生态质量。　　国家林草局草原司有关负责人介绍说，免耕补播是指采用免耕的方</p><p>新华社11月15日电（记者 胡璐）免耕补播是林草草原生态修复的一项重要技术。国家林草局等日前发布通知，局等技术提出大力推广免耕补播技术，大力<strong></strong>提升草原生态质量。推广提升<br>　　国家林草局草原司有关负责人介绍说，免耕免耕补播是补播指采用免耕的方法，在不破坏或少破坏原生植被的草原前提下，通过补播品质优良草种改善草原生态质量，生态并提高草原生产力和物种多样性的质量技术。<br>　　“与传统需要翻耕的林草种草模式相比，免耕补播最大程度保护了原生植被不受破坏，局等技术<strong></strong>增加了草原物种生物多样性，大力维护了草原生态系统的推广提升稳定性。”这位负责人表示，免耕免耕补播还减少了对草原土壤的补播扰动，在防风固沙、保持水土等方面发挥了积极作用。<br>　　近年来，一些地方组织实施了草原生态修复与生产力恢复免耕补播科技示范试点，取得了明显成效。如在内蒙古赤峰市免耕补播试点中，草原植被盖度提高到95%以上；草原土壤有机碳含量增加了10.2%，全氮含量提高了17%。同时，免耕补播还增加了草原优质牧草比例，草原草产量提高了1倍以上。<br>　　为了进一步推进免耕补播科技示范试点，更好发挥免耕补播在草原生态修复中的作用，通知要求，要大力推进草原免耕补播试点。地方各级林业和草原主管部门在落实中央草原生态保护修复资金政策中，充分应用免耕补播试点技术和经验。<br>　　通知强调，要科学选择免耕补播乡土草种。各地要根据不同草原区域的土壤、降雨量、海拔、积温等条件及草原退化程度，因地制宜、科学选择适宜的草种开展免耕补播。要不断强化免耕补播新技术新装备应用。在开展草原免耕补播中，应科学选用先进的免耕补播技术，提高补播草种的出苗率和成活率。</p><p><img dropzone="ce9295" alt="国家林草局等大力推广免耕补播技术提升草原生态质量" 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