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<div class="ss"><div><span>导读： </span>水体富营养化形成的赤潮对于水生物、野生动物甚至是人类都有危害，其主要原因在于大量含氮磷钾废水排入水体，让藻类植物爆发生长。过度施肥的农田也是造成赤潮的一大来源，为了监控和预防赤潮现象的产生，爱荷华州立 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 水体富营养化形成的赤潮对于水生物、野生动物甚至是人类都有危害，其主要原因在于大量含氮磷钾废水排入水体，让藻类植物爆发生长。过度施肥的农田也是造成赤潮的一大来源，为了监控和预防赤潮现象的产生，爱荷华州立大学和佛罗里达州大学联合开发了一种可以埋入农田下方的<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">传感</a>器，预防过度施肥形成赤潮。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201811/05/100022bwlj0oltzc0ss2u7.jpg" target="_blank"><img src="data/attachment/portal/201811/05/100022bwlj0oltzc0ss2u7.jpg"></a></p></div><div><br></div><div> 由于农民们在施含氮肥料时无法快速得知农田已经得到了足够的肥料，通常会导致过度施肥。而新研发的可埋入农田下方的传感器可监控农田施肥后的含氮量，确保不会过度。只需使用喷墨打印、<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>蚀刻的石墨<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>，这些低成本的装置就能够完成铺设。农牧民可以通过设备读取其内置中枢的读书，准确地检测农田所需的营养是否足够。不仅能够预防赤潮产生，同时还能够帮助农民减少肥料成本。</div><div><br></div><div><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" center;="" 255);"="" style="text-align: center; word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255);"><b style="word-wrap: normal;"><font size="5" style="word-wrap: normal;">欢迎关注OECR公众号</font></b></p><p microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);="" text-align:="" center;"="" center;="" 255);"="" style="text-align: center; word-wrap: normal; margin: 0px; padding: 0px; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 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class="xg1 xw0">2018-11-5 20:30</span> </dt> <dd>占坑ing</dd> </dl><a name="comment_anchor_20383"></a> <dl id="comment_20383_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(20383, '7225');">引用</a> </span> <a href="http://club.oecr.com/space-uid-29437.html" class="xi2 xw1" c="1">xvzyoddh</a> <span class="xg1 xw0">2018-11-5 20:00</span> </dt> <dd>报告！别开枪，我就是路过来看看的。。。</dd> </dl><a name="comment_anchor_20378"></a> <dl id="comment_20378_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(20378, '7225');">引用</a> </span> <a href="http://club.oecr.com/space-uid-89814.html" class="xi2 xw1" c="1">一一鸭</a> <span class="xg1 xw0">2018-11-5 17:30</span> </dt> <dd>站位支持</dd> </dl><a name="comment_anchor_20374"></a> <dl id="comment_20374_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" 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