China's Hollow Villages Undergo a Transformation

As an agricultural engineering professor, I was excited to visit and tour the farm village Houbali, in southwestern Shandong Province. I found myself standing among newly constructed high-rise buildings, a vastly different community than I had expected to encounter. A bicycle repair shop was setting up alongside other bustling businesses in the first-floor storefronts. 


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  1. Reclaiming China’s Worn-out Farmland: Don’t Treat Soil Like Dirt

    May 2, 2019

    China’s food security is rooted in its soil.  Sadly, more than 40 percent of China’s soil is degraded from overuse, erosion, and pollution.  Continue reading

    on NewSecurityBeat.org

  2. China's Hollow Villages Undergo a Transformation

    Apr 5, 2019

    As an agricultural engineering professor, I was excited to visit and tour the farm village Houbali, in southwestern Shandong Province. I found myself standing among newly constructed high-rise buildings, a vastly different community than I had expected to encounter.  Continue reading

    on NewSecurityBeat.org

  3. On-site Sprinkler Irrigation of Treated Wastewater in Ohio

    Dec 3, 2018

    Bulletin e912 is now available as a downloadable PDF.  The new version is an enhancement of the first bulletin published in 2004.  This updated bulletin includes the last 14 years of OSU research in on-site wastewater reuse and has several examples of system layout for different types of sites.  To purchase a download click here.

  4. Septic Tank Soil Treatment Systems

    Oct 1, 2018

    Updated bulletin 939 is now available as a downloadable pdf.  The bulletin contains a step-by-step design process based on linear loading rates and the soils infiltrative capacity. Click here to purchase a copy.

  5. Full-scale, low-cost treatment of food processing wastewater

    Jul 11, 2018

    Just published in Applied Engineering in Agriculture

    Mancl, K., R. Kopp and O. Tuovinen. 2018. Treatment of meat-processing wastewater with a full-scale, low-cost sand/gravel bioreactor system. Applied Engineering in Agriculture. 34(2):403-409. Doi.org/10.13031/aea.12683.

  6. Winter irrigation of treated wastewater

    Jul 11, 2018

    Just published in Ohio Journal of Science.

    Griffin, J. and K. Mancl. 2017. Onsite reuse of reclaimed wastewater in winter to determine potential for pollutant runoff. Ohio Journal of Science. 117(2):74-84.

  7. Birds in the Sand

    Jul 14, 2017

    Sand bioreactor solves turkey processing wastewater woes.  Just published in the July 2017 issue of Water & Waste Digest

  8. Rowan receives OOWA Distinguished Service Award

    May 2, 2017

    For development of onsite spray irrigation systems in Ohio and for service to OOWA as President, Mike Rowan received the Ohio Onsite Wastewater Association Distinguished Service Award.

  9. Mancl receives mentoring award

    May 2, 2017

    For her dedication to the balanced, healthy and successful growth of her protegees through mentoring services focused on planning for effective teaching and research.  Karen Mancl received the Faculty Mentoring Award for the OSU College of Engineering.

  10. Sand Bioreactors - alternative to a mound or aerobic system

    Jun 10, 2016

    Have a challenging lot and looking for a low-cost, easy to maintain treatment system?  Consider a sand bioreactor.  Buried in the yard, sand bioreactors are low profile and quiet.  The effluent is extremely clean and once disinfected can be discharged to a stream with an NPDES permit or irrigated on the lot.  To find out more read the new fact sheet Sand Bioreactors for Onsite Wastewater Treatment.

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