01881nam a2200241   450000500170000000800410001703500150005810000220007324500520009526000520014730000100019949000270020950001440023650200580038052008790043865000240131770000390134170000390138070000460141971000500146581000590151585600650157420260818084430.0011098s1979    th      r    0000|0 eng d  a.b101540731 aRashid, Md. Abdur10aComposting cattle feedlot wastes in the tropics  aBangkok :bAsian Institute of Technology,c1979  a54 p.1 aThesis ;vno. EV-79-23  aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology  aThesis (M.Eng.) - Asian Institute of Technology, 1979  aOpen-Windrow composting of cattle feedlot wastes was investigated. The "Ground Surface Continuous Composting" method, simply operated without turning the compost piles, was adopted to study the nitrogen conservation  and bacteria inactivation during the composting process. The compost piles were designed with an initial C:N ratio of 30:1 and moisture content of the  composting materials at about 70% throughout the composting period. Composting of the organic matters was found to be completed within 30 days but about 40 days of composting yielded a safe compost product  from a view point of fecal coliform concentration. Nitrogen conservation in the compost product was about 99%. Total coliform was more resistant  to die-off than fecal streptococcus. The patterns of bacteria die-off during composting was found to follow the Chick's law but with some modifications. 0aAgricultural wastes0 aChongrak Polprasert, eChairperson1 aLohani, Bindu N., eCo-Chairperson0 aSamorn Muttamara, eExamination Committee2 aCommonwealth Secretariat, eScholarship Donor2 aAsian Institute of Technology.tThesis ;vno. EV-79-23  3Full-Textuhttp://203.159.5.9/ait-thesis/detail.php?q=B22242