Water quality and Catfish (Clarias batrachus) production in selected ponds of Siwan districtPond ecologyChannel catfishEarthen pondsClarias batrachusMarket-size fishWater qualityThis study compared variation in water quality and fish growth for catfish {Clarias batrachus; 47g/fish) stocked in pond 1 ...
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The Physico-chemical characteristic of Ujain pond in Duroandha block of Siwan district was studied. This investigation was focused on the seasonal fluctuation in water quality parameters from 2017 to 2019. The study showing that water quality of this pond comply with suitability to growth of ...
第一种:使用首页的快速发布! 按照选择一步步来,后把您的信息内容填写完整,然后点击提交就可以! 第二种:进入您的商务中心,在信息管理里发布 第1步:在首页登录您的会员后,请点击首页左上角的“商务中心” 第2步:在您的商务中心上面选择“信息管理” 第3步:在左边的信息管理里面选择您需要发布的信息的类型 后,...
Comprehensive approachGroundwater recharge channelCurtain groutingNorth China coal basinSiwan coal mineIn North China coal basin, there is an accident: the water which comes from Ordovician system aquifer (O-2) discharges into underground coal mines. The coal mining operations would be seriously ...