IJESD 2016 Vol.7(7): 480-485 ISSN: 2010-0264
doi: 10.18178/ijesd.2016.7.7.824
doi: 10.18178/ijesd.2016.7.7.824
Reduction of Diuron Efficacy with Biochar Amendments
Chih-Hsin Cheng, Zue-Ping Lin, Yu-Sheng Huang, Chih-Peng Chen, Chie-Te Chen, and Oleg V. Menyailo
Abstract—Amending soil with biochar (BC) can change the sorption properties of soil. However, much of this concern is based on studies from BC produced from wood and crop residues. Since BC can be made from a wide range of feedstock, it is important to cover all the aspects of feedstock applied as the soil amendments. Six types of feedstock were examined in this study, including a compost, a papermill waste, a leguminous biomass, two bioenergy crop biomass (switchgrass pellet and 3-years-old shrub willow wood chip), and an oak wood biomass. The raw feedstock was pyrolyzed at 300oC and 500oC, respectively. We investigated how feedstock and pyrolytic temperature affect diron sorption and used a bioassay of the BC amendments in a loamy soil to test the change of herbicide efficacy. With the pyolytic temperature increasing, the diuron sorption rate increased. The 300oC BCs developed a slightly higher diuron sorption rate than the raw materials, and a considerable enhancement in diuron sorption rate was observed for all 500oC BCs. Similar to the sorption capacity of the herbicide, the sequence in reducing herbicide efficacy was 500oC BC > 300oC BC > raw material. Hence, our results suggest that the effect of herbicide effectiveness from BC amendments can be reduced when raw material is converted into BC, especially the BC produced at the high temperature (>500°C).
Index Terms—Bioassay, herbicide, NMR, pyrolysis, sorption.
C. H. Cheng, Z. P. Lin, Y. S. Huang and C. P. Chen are with the School of Forestry and Resource Conservation, National Taiwan University, Taipei, Taiwan (corresponding author; e-mail: chengch@ntu.edu.tw).
C. T. Chen is with the Department of Agronomy, National Chung Hsing University, Taichung, Taiwan.
O. V. Menyailo is with the Institute of Forest SB RAS, Krasnoyarsk 660036, Russia.
Index Terms—Bioassay, herbicide, NMR, pyrolysis, sorption.
C. H. Cheng, Z. P. Lin, Y. S. Huang and C. P. Chen are with the School of Forestry and Resource Conservation, National Taiwan University, Taipei, Taiwan (corresponding author; e-mail: chengch@ntu.edu.tw).
C. T. Chen is with the Department of Agronomy, National Chung Hsing University, Taichung, Taiwan.
O. V. Menyailo is with the Institute of Forest SB RAS, Krasnoyarsk 660036, Russia.
Cite: Chih-Hsin Cheng, Zue-Ping Lin, Yu-Sheng Huang, Chih-Peng Chen, Chie-Te Chen, and Oleg V. Menyailo, "Reduction of Diuron Efficacy with Biochar Amendments," International Journal of Environmental Science and Development vol. 7, no. 7, pp. 480-485, 2016.
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General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
- Managing Editor: Ms. Cherry L. Chen
- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
- E-mail: ijesd@ejournal.net
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