• Compost is spread heavily to focus fertility for row crops on Gardens of Eagan farm in Eureka Township, Minnesota.

    “Soil Health” And Compost

    Healthy soil is critical to feeding the world’s growing population and mitigating impacts of climate change. But how to define “soil health” is tricky.
    Ron Alexander
    BioCycle January 2015, Vol. 56, No. 1, p. 39

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  • Gore® Cover technology at West Valley Materials Recovery Facility in Fontana, CA

    Equipment News

    BioCycle January 2015, Vol. 56, No. 1, p. 80

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  • Feedstocks at Living Earth’s composting and mulch facilities include yard trimmings (inset) and preconsumer vegetative produce trimmings.

    Large-Scale Composting, Texas Style

    Living Earth operates multiple composting facilities in Houston and Dallas-Ft. Worth, processing yard trimmings, produce “off-cuts,” bedding and manure.
    Nora Goldstein
    BioCycle January 2015, Vol. 56, No. 1, p. 28

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  • A1 Organics purchased the Ecoverse Tiger HS640 Food Depackager, which has an 8 cubic yard stainless steel hopper that can be fed with a loader (above). Material is pulled into the vertical mill by augers in the bottom of the hopper; bolt-on paddles, spinning at 1,000 RPMs, remove organics from their packaging. Examples of feedstocks processed include cardboard-packaged dried dog food (in loader bucket above), expired dairy products (bottom left) and gallon jugs of iced tea (bottom right).

    Depackaging Feedstocks For AD And Composting

    Digester preprocessing system to be installed by A1 Organics at the Heartland Biogas anaerobic digester in Weld County, Colorado, includes two types of depackaging units.
    Nora Goldstein
    BioCycle January 2015, Vol. 56, No. 1, p. 72

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  • Bridgewater (CT) food waste collection

    BioCycle Nationwide Survey: Residential Food Waste Collection In The U.S.

    BioCycle identified 198 communities with curbside collection of food scraps, representing 2.74 million households spread out over 19 states. Part II
    Rhodes Yepsen
    BioCycle January 2015, Vol. 56, No. 1, p. 53

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  • Anaerobic Digest

    Anaerobic Digest

    BioCycle January 2015, Vol. 56, No. 1, p. 22

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  • NYC residential curbside waste pie chart

    New York City Organics Collection

    Two-year pilot program to collect residential and school source separated organics is into its second year. This update reviews progress, challenges and next steps.
    Bridget Anderson
    BioCycle January 2015, Vol. 56, No. 1, p. 64

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  • Residents, managers and workers who are spearheading the process of apartment building-level SSO say they don’t really know what happens to the materials they are diverting.

    Source Separated Organics In Large New York City Apartment Buildings

    Research at buildings with 10 or more units that are part of NYC’s curbside SSO pilot identifies five themes that have implications for the program’s near-term future.
    Samantha MacBride
    BioCycle January 2015, Vol. 56, No. 1, p. 67

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  • Figure 3. Total precipitation results recorded for Maine and Cal Poly during 5-week composting study Figure 4. Ambient temperatures recorded for Maine and Cal Poly during 5-week composting trials

    Role Of Moisture In Determining Compostable Bag Degradation

    Two simultaneous compostable bag trials were conducted in two different climates utilizing similar feedstocks and composting method.
    M.A. King, K.L. Piper, G. MacDonald, S.E. Sherman, H. Francis, C.J. Hopkins and M.S. Clark
    BioCycle January 2015, Vol. 56, No. 1, p. 48

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  • Green Mountain Compost (GMC) conducts its own bioassays, testing every 100 cubic yards of compost produced using red clover and fava beans.

    Coping With Persistent Herbicides In Composting Feedstocks

    U.S. EPA’s final work plans for clopyralid, picloram and aminopyralid include development of testing methods to detect herbicide residues in compost. And composting facilities fine-tune strategies to protect against impacts.
    Craig Coker
    BioCycle January 2015, Vol. 56, No. 1, p. 44

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