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2022 Vol.55, Issue 1 Preview Page

Short communication

A Study on the Nutrition Components for Compost Fertilizers in 2020 to 2021
Jae-Hong Shim1
,
Seong-Heon Kim1
,
Yun-Hae Lee2
,
Soon-Ik Kwon2
,
Seong Jin Park1*
1Researcher, Soil & Fertilizer Management Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Korea
2Senior Researcher, Soil & Fertilizer Management Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Korea
*Corresponding Author
28 February 2022. pp. 71-79
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Abstract

This study was conducted to confirm the necessity of a fertilizer labeling with the nutrition components. The contents of total nitrogen (T-N), phosphorus (T-P2O5), and potassium (T-K2O) are important factors to determine the application rate of the organic fertilizers to arable lands. The mean values of total nitrogen, phosphorus, and potassium recorded in compost fertilizer in 2020 and 2021 were 1.91%, 2.40%, and 2.33%, respectively. Comparatively, the mean values of T-N, T-P2O5, and T-K2O increased by 0.23%p, 090%p, and 0.91%, respectively, relative to the respective mean concentrations in 2016. The nutrient contents were observed to the within the range of 1.5 to 2.0% distributed in 306 samples (39.6%), 206 samples (26.6%), and 191 samples (24.7%), for T-N, P2O5, K2O, respectively. There was no significant change in fertilizer nutrient composition (T-N, T-P2O5, T-K2O) and chemical properties (pH, EC, water content, organic matter, NO3-N, NH4-N) during storage period.

Mean contents of total nitrogen (T-N), phosphorus (T-P2O5), and potassium (T-K2O) in compost fertilizers in 2020 and 2021 (n = 773).
Keywords
Livestock compost
Nutrient content
Total nitrogen (T-N)
Total phosphorus (T-P2O5)
Total potassium (T-K2O)
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Information
  • Publisher :Korean Society of Soil Science and Fertilizer
  • Publisher(Ko) :한국토양비료학회
  • Journal Title :Korean Journal of Soil Science and Fertilizer
  • Journal Title(Ko) :한국토양비료학회 학회지
  • Volume : 55
  • No :1
  • Pages :71-79
  • Received Date : 2021-11-08
  • Revised Date : 2022-02-21
  • Accepted Date : 2022-02-22
  • DOI :https://doi.org/10.7745/KJSSF.2022.55.1.071
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