<P><B>Abstract</B></P> <P>The study investigated the effect of in-vessel composting process on Hanwoo manure in two different South Korea regions (Pyeongchang and Goechang) with sawdust using vertical cylindrical in-vess...
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https://www.riss.kr/link?id=A107427782
2017
-
SCI,SCIE,SCOPUS
학술저널
201-206(6쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>The study investigated the effect of in-vessel composting process on Hanwoo manure in two different South Korea regions (Pyeongchang and Goechang) with sawdust using vertical cylindrical in-vess...
<P><B>Abstract</B></P> <P>The study investigated the effect of in-vessel composting process on Hanwoo manure in two different South Korea regions (Pyeongchang and Goechang) with sawdust using vertical cylindrical in-vessel bioreactor for 42days. The stability and quality of Hanwoo manure in both regions were improved and confirmed through the positive changes in physico-chemical and phytotoxic properties using different commercial seed crops. The pH and electrical conductivity (EC, ds/m) of composted manure in both regions were slightly increased. At the same time, carbon:nitrogen (C:N) ratio and ammonium nitrogen:nitrate nitrogen (NH<SUB>4</SUB> <SUP>+</SUP>-N:NO<SUB>3</SUB> <SUP>−</SUP>-N) ratio decreased to 13.4–16.1 and 0.36–0.37, respectively. The germination index (GI, %) index was recorded in the range of 67.6–120.9%, which was greater than 50%, indicating phytotoxin-free compost. Although, composted manure values in Goechang region were better in significant parameters, overall results confirmed that the composting process could lead to complete maturation of the composted product in both regions.</P> <P><B>Highlights</B></P> <P> <UL> <LI> In-vessel composting process was effective in Hanwoo manure management. </LI> <LI> Both South Korea regions Hanwoo manure yielded matured and phytotoxic-free composts. </LI> <LI> Key process parameters were within the relevant compost standards. </LI> </UL> </P>
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