Qhov kev tshawb pom zaum kawg los ntawm kev kawm txog cov dej haus thiab lawv qhov chaw nyob ib puag ncig pom cov quav los ntawm cov nyuj uas khaws cia lossis kis rau ntawm thaj teb ua rau muaj kev pheej hmoo siab tshaj plaws rau qee yam kab mob.
Tag: Borchardt
Muab tso rau hauvYog Poob Ntawm Cov Kais Dej
Fecal microbes pom nyob rau hauv 60 feem pua ntawm cov qauv qhov dej, ua rau muaj kev txhawj xeeb txog cov khoom siv mis nyuj, cov khib nyiab septic
Kev ntsuam xyuas pom tias pov tseg los ntawm Lub Nroog Kewaunee 97,000 lub taub hau ntawm nyuj paug feem ntau ntawm qhov dej, tshwj xeeb tshaj yog tom qab los nag lossis daus; tib neeg pov tseg kuj yog qhov tseem ceeb.