Development of a quality certification and maturity classification method for liquid fertilizer by measuring the electrical conductivity (EC) of swine manure

Joshua Nizel Halder, Taek Won Kang, Mitsuyasu Yabe, Myung Gyu Lee

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

The increasing need for liquid fertilizers along with the high production and treatment rate of swine manure pose a great concern in regard to the quality control and certification of fertilizers rapidly produced. In this study, 66 liquid manure samples were collected from national livestock manure co-recycling centers. These 66 samples were tested and classified into three categories based on Liquid Fertilizer Germination Index (LFGI). In addition, the physiochemical parameters of manure specimens were tested, including pH, NaCl, total sulfur (TS), total nitrogen (TN), ammonium-nitrogen (NH -N), nitrate-nitrogen (NO-N), total phosphorus (TP), potassium (K), and electrical conductivity (EC). EC had a positive correlation with TN (0.879), NH-N (0.816), K (0.693), and NaCl (0.625) with a significance of p < 0.01 but a negative correlation with LFGI (-0.719). This study demonstrated that EC could be used as an indicator in rapid testing methods for quality control to certify the maturity level of liquid manure fertilizers.

元の言語英語
ページ(範囲)205-212
ページ数8
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
62
発行部数1
出版物ステータス出版済み - 2 2017

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liquid fertilizers
Electric Conductivity
Manure
Certification
Fertilizers
pig manure
certification
electrical conductivity
liquid manure
Swine
Nitrogen
animal manures
quality control
fertilizers
germination
Germination
ammonium nitrogen
Quality Control
nitrate nitrogen
nitrogen

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

これを引用

Development of a quality certification and maturity classification method for liquid fertilizer by measuring the electrical conductivity (EC) of swine manure. / Halder, Joshua Nizel; Kang, Taek Won; Yabe, Mitsuyasu; Lee, Myung Gyu.

:: Journal of the Faculty of Agriculture, Kyushu University, 巻 62, 番号 1, 02.2017, p. 205-212.

研究成果: ジャーナルへの寄稿記事

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