Abstract：
:In order to evaluate the hydrothermal treatment (HTT) in enhancing compost stability and maturity of lignocellulosic agricultural residues, a bin-scale (90 L) composting of rice straw with and without "HTT" was performed. The rice straw compost product with "HTT" after 6 weeks of composting can be considered stable and adequate for field application as expressed by pH of 8.4, "EC value" of 2.96 dS m(-1), C/N ratio of 12.5, microbial activity of <8.05 mg CO2 g(-1) OM d(-1), NH4(+)-N content of 93.75 mg kg(-1) DM and finally, by "GI" of >83%. However, compost may prove phytotoxic if used as growing media for EC sensitive plants. As for rice straw compost product without "HTT", the high microbial activity (>12.28 mg CO2 g(-1) OM d(-1)) even after 14 weeks of composting suggests that the residue has not stabilized yet and is far away from stability and maturity, although a higher GI (>100%) was observed.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Nakhshiniev B,Biddinika MK,Gonzales HB,Sumida H,Yoshikawa Kdoi
10.1016/j.biortech.2013.10.083subject
Has Abstractpub_date
2014-01-01 00:00:00pages
306-13eissn
0960-8524issn
1873-2976pii
S0960-8524(13)01670-2journal_volume
151pub_type
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