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Changes in Temperature, Microbial Population and Activity during the Process of Composting

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Title Changes in Temperature, Microbial Population and Activity during the Process of Composting
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Creator Ritu Mawar
Mahesh Kumar
Satish Lodha
 
Subject compost
calotropis
neem
Prosopis
 
Description Not Available
The changes in temperature, microbial population dynamics and other factors were studied during
the process of composting by layering residues of Calotropis procera, Prosopis juliflora,
Azadirachta indica, Acacia nilotica and weeds in separate pits. Temperature began to rise soon after
filling the residues and ranged between 55–59 °C for next 6 to 7 days with maximum being in
Calotropis pit (59.2 °C). Estimation of microbial population dynamics and activity has shown that in
the heat phase, fungal population remained low but reinfestation occurred after 30 days in all the
composts except weed compost. There was a fluctuation in total actinomycetes and bacterial
population in all the decomposing residues initially, however, at 150 days counts were maximum in
Calotropis compost. Trichoderma harzianum disappeared during peak heating but reinfested occured
at mature stage with maximum counts in P. juliflora compost, while Bacillus spp. was present
throughout the composting period. At maturity, total fungi were maximum in neem followed by P.
juliflora compost, but total actinomycetes and bacterial population was maximum in Calotropis
compost. Maximum antagonistic actinomycetes (64.3 %) were estimated in A. nilotica compost. P.
juliflora compost maintained its superiority in terms of microbial activity during the process of
composting as well as at maturity. Among all the composts, maximum available micro-nutrients like
Cu, Zn, Mn and Fe were estimated in compost prepared from A. nilotica.
Not Available
 
Date 2021-07-27T09:11:12Z
2021-07-27T09:11:12Z
2020-07-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/50254
 
Language English
 
Relation Not Available;
 
Publisher Not Available