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. Every landowner can protect Lake Erie

    Aug 1, 2023

    Research at Ohio State University studied ways to eliminate the discharge of nutrients from septic systems. The research revealed that year-round onsite irrigation systems are an effective approach. Irrigating the treated wastewater on lawns and landscaping reuses the nutrients to grow plants and keeps nitrogen and phosphorus from discharging into waterways. Learn more in an article in the Ohio Country Journal

  2. Every landowner can protect Lake Erie

    Aug 1, 2023

    Research at Ohio State University studied ways to eliminate the discharge of nutrients from septic systems. The research revealed that year-round onsite irrigation systems are an effective approach. Irrigating the treated wastewater on lawns and landscaping reuses the nutrients to grow plants and keeps nitrogen and phosphorus from discharging into waterways. Learn more in an article in the Ohio Country Journal

  3. Glacier Loss Impacts US and China Agriculture

    Jul 28, 2023

    No water, no food! As the United States and China are trying to restart conversations on their common climate challenges, global warming is accelerating glacial melt in the Himalayas and Western Canada, affecting river flow in both countries. As this common challenge affects water and food security, expanding support for US and Chinese joint glacier science could strengthen food and human security in both countries. Read more at the New Security Beat

  4. Mancl Awarded ASABE Fellow

    Jul 16, 2023

  5. Biodegradable Plastic in Agriculture

    Jun 16, 2023

    Plastic has been a revolutionary material that is light-weight, flexible, durable, and inexpensive to produce. Unfortunately, continuous use of plastic mulch for decades has resulted in soil plastic pollution that is beginning to cancel out the benefits. Can biodegradable plastic be the answer?

    Read the article in the Ohio Country Journal

  6. Using Biodegradable Plastic Mulch in Rice Production

    Jun 14, 2023

    Just published research on a new approach to reduce greenhouse gas emissions, save water and increase yield in rice production. To view the journal article.

  7. Greening Eggs and Ham: Animal Feed and GHG emissions in the US and China

    Jun 2, 2023

    Greenhouse gas emissions from the animal feed sector are unexpectedly impacted by a wide range of international policies. To learn more go to the article in the New Security Beat

  8. Mancl will be inducted as Fellow American Society of Agricultural & Biological Engineers

    Apr 30, 2023

    ASABE defines a Fellow as a member of unusual professional distinction, with outstanding and extraordinary qualifications and experience in, or related to, the field of agricultural, food, or biological systems engineering.

  9. Soil and Climate Change

    Mar 10, 2023

    The world cannot sustain clean air and water without healthy soil. Soil is the largest terrestrial source of carbon in the biosphere. Thus, carbon sequestration in soil is an important opportunity in sustainable development. Plants nurtured on even degraded soils could remove 63 billion tons of carbon from the atmosphere. To learn more about soil’s key Role in fighting climate change in U.S. and Chinese agriculture link to the New Security Beat.

  10. Food Waste and Climate Change

    Mar 10, 2023

    A webinar "Opportunities for Enhanced Near-term U.S.-China Climate Action: The Food System" was sponsored by the California China Climate Institute at UC Berkley and the Wilson Center China Environment Forum. Karen spoke on "Challenges and Opportunities of Converting Food Waste to Fertilizer in US and China". Go to CCCI link to view the webinar.

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