Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils
A series of laboratory incubation experiments was conducted to evaluate the effect of biochar application on the efficacy of the nitrification inhibitor (NI) dicyandiamide (DCD) in Cambisol (pH 7.14) and Latosol (pH 4.83). The feedstocks (eucalyptus wood, coconut coir, and rice straw), pyrolysis tem...
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| Format: | Article |
| Language: | English |
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North Carolina State University
2015-01-01
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| Series: | BioResources |
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| Online Access: | http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_1330_Shi_Biochar_Application_Efficacy_Nitrification |
| _version_ | 1817998148088365056 |
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| author | Yunfeng Shi Lili Zhang Muqiu Zhao |
| author_facet | Yunfeng Shi Lili Zhang Muqiu Zhao |
| author_sort | Yunfeng Shi |
| collection | DOAJ |
| description | A series of laboratory incubation experiments was conducted to evaluate the effect of biochar application on the efficacy of the nitrification inhibitor (NI) dicyandiamide (DCD) in Cambisol (pH 7.14) and Latosol (pH 4.83). The feedstocks (eucalyptus wood, coconut coir, and rice straw), pyrolysis temperatures (350, 500, and 650 ˚C), and application rates (0.5, 1.0, 2.5, and 5.0% of 200 g soil) were identified as influential factors. The results showed that biochar could significantly reduce the effectiveness of DCD on nitrification inhibition. Biochar produced from eucalyptus wood with a large surface area (426.4 m2 g−1) had the strongest ability to reduce the inhibitory effect of DCD in nearly neutral Cambisol, while biochar from rice straw with a high pH had the greatest influence on acidic Latosol. Increasing pyrolysis temperature and application rates can strengthen the ability of biochar to reduce the inhibitory effect of DCD. Generally, the decrease of the DCD nitrification inhibitory effect on nearly neutral soil was controlled by the surface area of the applied biochar; meanwhile, the rise of soil pH caused by biochar application was also an important influencing factor in acid soil. |
| first_indexed | 2024-04-14T02:49:08Z |
| format | Article |
| id | doaj.art-861665994d754a14af908bd9e7be9b79 |
| institution | Directory Open Access Journal |
| issn | 1930-2126 1930-2126 |
| language | English |
| last_indexed | 2024-04-14T02:49:08Z |
| publishDate | 2015-01-01 |
| publisher | North Carolina State University |
| record_format | Article |
| series | BioResources |
| spelling | doaj.art-861665994d754a14af908bd9e7be9b792022-12-22T02:16:23ZengNorth Carolina State UniversityBioResources1930-21261930-21262015-01-011011330134510.15376/biores.10.1.1330-1345Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in SoilsYunfeng Shi0Lili Zhang1Muqiu Zhao2College of Biological Science and Technology, Qiongzhou University, No. 1 Yucai Road, Sanya, 572022, P. R. China; Institute of Applied Ecology, Chinese Academy of Sciences, No.72 Wenhua Road, Shenyang, 110016, P.R. China; ChinaInstitute of Applied Ecology, Chinese Academy of Sciences, No.72 Wenhua Road, Shenyang, 110016, P.R. China; ChinaCollege of Biological Science and Technology, Qiongzhou University, No. 1 Yucai Road, Sanya, 572022, P. R. China; Institute of Applied Ecology, Chinese Academy of Sciences, No.72 Wenhua Road, Shenyang, 110016, P.R. China; ChinaA series of laboratory incubation experiments was conducted to evaluate the effect of biochar application on the efficacy of the nitrification inhibitor (NI) dicyandiamide (DCD) in Cambisol (pH 7.14) and Latosol (pH 4.83). The feedstocks (eucalyptus wood, coconut coir, and rice straw), pyrolysis temperatures (350, 500, and 650 ˚C), and application rates (0.5, 1.0, 2.5, and 5.0% of 200 g soil) were identified as influential factors. The results showed that biochar could significantly reduce the effectiveness of DCD on nitrification inhibition. Biochar produced from eucalyptus wood with a large surface area (426.4 m2 g−1) had the strongest ability to reduce the inhibitory effect of DCD in nearly neutral Cambisol, while biochar from rice straw with a high pH had the greatest influence on acidic Latosol. Increasing pyrolysis temperature and application rates can strengthen the ability of biochar to reduce the inhibitory effect of DCD. Generally, the decrease of the DCD nitrification inhibitory effect on nearly neutral soil was controlled by the surface area of the applied biochar; meanwhile, the rise of soil pH caused by biochar application was also an important influencing factor in acid soil.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_1330_Shi_Biochar_Application_Efficacy_NitrificationBiocharDicyandiamide (DCD)NitrificationSoilS-shaped function |
| spellingShingle | Yunfeng Shi Lili Zhang Muqiu Zhao Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils BioResources Biochar Dicyandiamide (DCD) Nitrification Soil S-shaped function |
| title | Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils |
| title_full | Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils |
| title_fullStr | Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils |
| title_full_unstemmed | Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils |
| title_short | Effect of Biochar Application on the Efficacy of the Nitrification Inhibitor Dicyandiamide in Soils |
| title_sort | effect of biochar application on the efficacy of the nitrification inhibitor dicyandiamide in soils |
| topic | Biochar Dicyandiamide (DCD) Nitrification Soil S-shaped function |
| url | http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_1330_Shi_Biochar_Application_Efficacy_Nitrification |
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