Quality assessment of liquid manure fertilizer and filtered liquid manure fertilizer produced by LMPRC (Livestock Manure Public Resource Center) in Jeju area

Soo-Ryang Kim; Su-Chan Lee; Ji-Won Jung; Seung-Hyun Park; Sung-Ha Hong; Byong-O Lee; Deog-Bae Lee; Myung-Gyu Lee

doi:10.11109/JAES.2023.25.1.029

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2023 Vol.25, Issue 1 Preview Page

Research article

Quality assessment of liquid manure fertilizer and filtered liquid manure fertilizer produced by LMPRC (Livestock Manure Public Resource Center) in Jeju area 제주지역 가축분뇨 공동자원화시설의 발효액비 및 여과액비 품질 평가

30 April 2023. pp. 29-36

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Abstract

This study was conducted to evaluate the quality of LF (liquid manure fertilizer) and FLF (filtered liquid manure fertilizer) produced by LMPRC (livestock manure public resource center) in Jeju area. In this study, LF (n=7) and FLF (n=4) at LMPRC in Jeju area were collected from June to September 2022. The nutrient contents (nitrogen, phosphorus, and potassium), physicochemical properties, heavy metal contents, micronutrient contents, the population of Bacillus sp., and maturity degree were investigated. The physicochemical properties and heavy metal content in LF were as follows: TN 0.20%, P₂O₅ 0.09%, K₂O 0.28%, pH 8.12, EC 17.83 mS/cm, NaCl 0.18%, moisture content 98.23%, Pb 0.85 mg/kg, Cr 0.01 mg/kg, Cu 15.14 mg/kg, Ni 0.19 mg/kg, and Zn 64.08 mg/kg. The physicochemical properties and heavy metal content in FLF were as follows: TN 0.15%, P₂O₅ 0.03%, K₂O 0.26%, pH 7.56, EC 14.65 mS/cm, NaCl 0.17%, moisture content 99.16%, Pb 0.25 mg/kg, Cu 5.53 mg/kg, Ni 0.47 mg/kg, and Zn 0.20 mg/kg. No pathogenic bacteria (E. coli (O157:H7), Salmonella spp.) were detected in all samples, and maturity degree was evaluated as “mature”.

Keywords

Livestock manure management

Swine manure

Liquid manure fertilizer

Maturity degree

Livestock manure public resource center

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Information

Publisher :The Korean Society of Animal Environmental Science & Technology
Publisher(Ko) :(사)한국축산환경학회
Journal Title :Journal of Animal Environmental Science
Journal Title(Ko) :축산시설환경학회지
Volume : 25
No :1
Pages :29-36
Received Date : 2023-03-11
Revised Date : 2023-04-13
Accepted Date : 2023-04-15
DOI :https://doi.org/10.11109/JAES.2023.25.1.029

Journal of Animal Environmental Science ISSN:1226-0274(Print) 축산시설환경학회지

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