Soil science with a palette of composts

Article Abstract:

American Soil Products has developed compost and blended soil products that are composed of a variety of materials such as manure, vermicompost, biosolids, wood fines, bark, volcanic cinder and rice hulls. The companyacquires its materials from sources such as worm farms and dairies. American Soil Porducts Pres Lou Truesdell. found that varying the compost's composition produced different levels of nutrients such as potassium, phosphorus and nitrogen. Truesdell recommends compost with specific nutrient levels for growing plants, and supplements his operations with landscaping materials and plants.

Product information, Recycling industry, American Soil Products Inc.

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The year compost was rationed

Article Abstract:

A growing number of farmers are discovering the benefits of using compost in their farming. One such farm is Grimmway Farms in Bakersfield, which grows carrots through an all-organic method that calls for the use of compost. Aside from compost containing all the necessary nutrients that crops would need, using compost in farming also reduces the incidence of diseases and pests. Aside from Grimmway, other California farmers who have switched to compost farming are Steve Dobler of Moss Landing, CA, Malcolm Ricci, other Central Valley farmers and California wineries in Sonoma and Napa Valley.

Editorial, Agriculture

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Cleaning up contaminated soils

Article Abstract:

The compost process is being adopted widely as an effective method for removing petroleum products contaminating soil. In this method, organic materials such as straw, hay or wood chips are composted to induce the growth of microorganisms which may then be used to reduce hydrocarbons, insecticides and polychlorinated biphenyls in the soil into simpler compounds. The composted material may be introduced to the soil through windrowing and mixing. Meanwhile, military facilities are testing similar techniques for cleaning up soil that has been contaminated by explosives.

Soil disinfection

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