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  • changes in chemical and microbiological properties of rabbit manure in a continuous-feeding vermicomposting system

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 653
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in the present study the potential of the earthworm eisenia fetida to process large amounts of waste was evaluated through continuous feeding reactors in which new layers of rabbit manure were added sequentially to form an age gradient inside the reactors. an optimal moisture level, ranging from 66% to 76%, was maintained throughout the process using an automatic watering system. the ph was close to 8.3, but decreased to 7.6 after 200 d of vermicomposting. no changes in electrical conductivity through the profile of layers were detected. based on comparisons of phospholipid fatty acid (plfa) profiles and microbial activity measurements (basal respiration), a decrease in the levels of bacteria and fungi in layers corresponding to vermicomposting times of more than 200 d occurred. this points to a higher degree of stabilisation in the final product, which is of utmost importance for its safe use as an organic amendment.

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