compost testing Articles

  • Physical Contaminant Testing Of Composts

    Changes are in progress in multiple countries on weight-based limits for physical contaminants in composts. The net effect may be higher quality compost products. Maintaining and improving compost product quality is vitally important for ensuring continued confidence in organic waste recycling industries around the world. One quality criterion of particular interest from the general ...


    By BioCycle Magazine

  • Field Testing Protocol For Compostable Packaging

    Compostable product disintegration trials conducted in British Columbia help lay groundwork for open source, field testing protocol. Compostable packaging holds great promise to aid in diverting food waste from landfill. However, even when certified compostable, the products disintegrate differently across facility types. A growing number of composting facilities see potential for ...


    By BioCycle Magazine

  • Composting Roundup

    Johnson City, Tennessee: School Teacher Launches Composting Site Joe Hoffman, a high school science teacher, recently opened Hoffman Composting, located on the outskirts of Johnson City. The site is fully permitted by the State of Tennessee to accept food waste. Hoffman’s background is in sustainable agriculture, having received a degree in Agronomy-International Agriculture and ...


    By BioCycle Magazine

  • Compost Users Forum: The Applied Thoughts Of A Compost Theorist

    WITHIN a 60-mile radius of my office here in central California, there are 1,000 dairies — each having an average of 2,000 cows. They generate over four million tons of manure annually, so we are pretty much in the manure business whether we want to be or not. Somebody has to manage this material and help the farmers utilize it properly, fulfilling its potential monetary value. That’s what we ...


    By BioCycle Magazine

  • Compost Users Forum: Compost Marketing Trends In The U.S.

    “We know there are limiting factors in this sector,” acknowledges Hans Van Dusen, who is on the contract implementation staff for Seattle Public Utilities. “Transient populations as well as space in downtown and older buildings are problematic, but multifamily recycling has emerged as a priority for the city.” Seattle has taken a number of steps to make its program more user friendly and flexible ...


    By BioCycle Magazine

  • Phosphorus And Compost Use Dynamics

    Organic forms of phosphorus, such as biosolids and compost products, contain low to very low levels of water extractable phosphorus, but increasingly are regulated like inorganic P sources. Phosphorus is one of the 16 essential plant nutrients, and is considered one of the three major plant nutrients (along with nitrogen and potassium). Phosphorus is not only important in root development, but ...


    By BioCycle Magazine

  • Understanding Compost Tea

     Understanding Compost Tea COMPOST TEA describes many different preparations made using compost as a starting material and producing a liquid extract or in some cases a “liquid version” of the original compost. There are many home-designed pieces of equipment and some commercially available equipment made to produce compost tea. New ideas abound on how to fabricate the better tea-maker and ...


    By BioCycle Magazine

  • Compost Use By State DOTs

    Research project collects and analyzes compost use data for three state Departments of Transportation: California, Texas and Washington. Use of compost by state Departments of Transportation (DOTs) for highway construction, erosion and pollution control, and vegetation establishment has dramatically increased since the early 2000s. A recent research project studied compost use by state ...


    By BioCycle Magazine

  • Composting Advances in Oregon and Washington

    Over the years, different forces have served as drivers to help grow the composting industry. For example, in the late 1980s and early 1990s, it was the perceived landfill crisis that led to state bans on disposal of yard trimmings. Composting also has benefitted from a push to meet recycling goals, which has prompted states and local governments to go beyond yard trimmings and into such ...


    By BioCycle Magazine

  • Composting Site Remediation Success

    Dorchester County, Maryland agreed to a remediation plan that involved composting the 140,000 tons of unprocessed feedstocks stored on site. An aggressive strategy has ...


    By BioCycle Magazine

  • Composting Roundup - Febuary 2018

    Albany, New York: Composting, Food Recovery And Ad Grant Awards The New York State Department of Environmental Conservation (DEC) awarded $3.5 million to support food donation and municipal organics recycling projects across the state through the Environmental Protection Fund’s Municipal Recycling and Climate Smart Communities grant programs. Composting grant awardees include: ...


    By BioCycle Magazine

  • Building state’s compost markets

    Several research projects now under way have the potential to significantly expand the compost market in California. Californians generate 93 million tons of solid waste annually. The Integrated Waste Management Act of 1989 (AB 939) established the CIWMB and gave it the responsibility to oversee, manage and track all of this material. Expanding the opportunities for composting organic materials ...


    By BioCycle Magazine

  • Trimming costs with Composting

    Weis Markets, Inc. has an interest in diverting organics from its grocery stores as part of its overall sustainability goals, but to bring an individual store onto the program is always decided by the economics. “It has to balance out,” says Ginny Frederick, Facilities Manager for Weis Markets. “If it costs too much at a particular location, or the store doesn’t generate ...


    By BioCycle Magazine

  • January Composting Roundup

    St. Paul, Minnesota: State DOT Issues New Compost Specs The Minnesota Department of Transportation (MNDOT) updated its specifications for using finished compost in MNDOT projects in the 2018 Edition of its “Standard Specifications For Construction.” The two main changes to the specs, explains Kayla Walsh of the Minnesota Pollution Control Agency, are: 1) Inclusion of food ...


    By BioCycle Magazine

  • Evaluating Microbiology of Compost

    The fact that not all compost is created equal has both producers and growers looking for ways to successfully evaluate compost quality. Traditional compost analysis has focused on NPK and micronutrient concentrations in an effort to mirror fertilizer analysis. Compost, however, is much more complex than fertilizer and its most significant value to the grower may be far more than its mineral ...


    By BioCycle Magazine

  • Monitoring Moisture In Composting Systems

    Monitoring Moisture In Composting Systems IF YOU SQUEEZE a handful of material and water drips or trickles out, it is the right moisture content for composting.” This bit of hands-on wisdom comes from the proverbial squeeze-test for evaluating moisture in composting piles. It has been uttered by Master Gardeners and other composting educators for many years as a tool for determining, and ...


    By BioCycle Magazine

  • Evaluating composting for contingency bases

    Technology is being evaluated to demonstrate a potentially viable supplement to waste incineration at Department of Defense bases that support operations of deployed units. To help address the solid waste management challenges at Department of Defense contingency bases overseas, the National Defense Center for Energy and Environment (NDCEE) is demonstrating an in-vessel composting ...


    By BioCycle Magazine

  • Compost Data Tracking And Analysis

    From tip fee invoice tracking to process control to compost product sampling, information gathering, analysis and reporting are key to successful facility operations.   COMPOSTING is a highly regulated component ...


    By BioCycle Magazine

  • Marketing waste mixed compost

    Marketing of compost has come a long way over the past 15 to 20 years. Today the word “compost” is an almost everyday household term and the use of compost is now a preferred way to garden. With the ever-increasing product awareness of the benefits of compost, it has become easier for compost manufacturers and marketers to sell their products. At least this is the case for those companies that ...


    By BioCycle Magazine

  • Design, testing and implementation of a large-scale urban dog waste composting program

    In Montreal, Québec, many dogs are exercised in fenced-in runs in parks. Consequently, these dog parks are a high-density source of large amounts of dog waste, which is typically collected by the owner in a plastic bag and deposited in the municipal garbage. In 2004, an experimental large-scale dog waste composting programme was initiated at the Notre-Dame-de-Grâce (NDG) dog run in Montreal, ...


    By BioCycle Magazine

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