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Yu Ping, Huang Lan, Li Qiansheng, Lima Isabel M., White Paul M., Gu Mengmeng. Effects of Mixed Hardwood and Sugarcane Biochar as Bark-Based Substrate Substitutes on Container Plants Production and Nutrient Leaching. AGRONOMY-BASEL. DOI: 10.3390/agronomy10020156. FEB 2020.
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| 作者: Yu, P (Yu, Ping); Huang, L (Huang, Lan); Li, QS (Li, Qiansheng); Lima, IM (Lima, Isabel M.); White, PM (White, Paul M.); Gu, MM (Gu, Mengmeng) | ||||||
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| 影响因子 (2018 年): 2.259 | ||||||
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| 摘要: Biochar (BC) has the potential to replace bark-based commercial substrates in the production of container plants. A greenhouse experiment was conducted to evaluate the potential of mixed hardwood biochar (HB) and sugarcane bagasse biochar (SBB) to replace the bark-based commercial substrate. A bark-based commercial substrate was incorporated with either HB at 50% (vol.) or SBB at 50% and 70% (vol.), with a bark-based commercial substrate being used as the control. The total porosity (TP) and container capacity (CC) of all SBB-incorporated mixes were slightly higher than the recommended value, while, the others were within the recommended range. Both tomato and basil plants grown in the BC-incorporated mixes had a similar or higher growth index (GI), leaf greenness (indicated by soil-plant analyses development), and yield than the control. The leachate of all mixes had the highest NO3-N concentration in the first week after transplantation (1 WAT). All BC-incorporated mixes grown with both tomato and basil had similar NO3-N concentration to the control (except 50% SBB at 1 and 5 WAT, and 50% HB at 5 WAT with tomato plants; 50% SBB at 5 WAT with basil plants). In conclusion, HB could replace bark-based substrates at 50% and SBB at 70% for both tomato and basil plant growth, without negative effects. | ||||||
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| 语言: English | ||||||
| 文献类型: Article | ||||||
| 作者关键词: biochar; NO3-N; plant; substrate; container; production | ||||||
| KeyWords Plus: GREEN WASTE; GROWTH; PEAT; YIELD; AVAILABILITY; REPLACEMENTS; SOILLESS; QUALITY; TOMATO; MEDIA | ||||||
| 地址: [Yu, Ping] Texas A&M Univ, Dept Hort Sci, 2133 TAMU, College Stn, TX 77843 USA. [Huang, Lan; Gu, Mengmeng] Chinese Acad Agr Sci, Inst Urban Agr, Chengdu 610000, Peoples R China. [Li, Qiansheng] Texas A&M AgriLife Extens Serv, Dept Hort Sci, 2134 TAMU, College Stn, TX 77843 USA. [Lima, Isabel M.] ARS, USDA, New Orleans, LA 70124 USA. [White, Paul M.] ARS, USDA, Houma, LA 70360 USA. |
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| 通讯作者地址: Gu, MM (通讯作者)，Chinese Acad Agr Sci, Inst Urban Agr, Chengdu 610000, Peoples R China. | ||||||
| 电子邮件地址: yuping520@tamu.edu; huanglan_92@163.com; qianshengli@tamu.edu; Isabel.Lima@ars.usda.gov; Paul.White@ars.usda.gov; mgu@tamu.edu | ||||||
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| Web of Science 类别: Agronomy; Plant Sciences | ||||||
| 研究方向: Agriculture; Plant Sciences | ||||||
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We would like to thank American Biocarbon LLC White Castle, Louisiana, Proton Power Inc. Lenoir City, Tennessee, for supplying the biochar for the experiment; Elizabeth Pierson and Kevin Crosby, for supplying experimental instruments; Patricia Goodson; all the students in CEHD 603 fall 2019 writing class; Charles L. Webber III and the AgricultureWomen Excited to Share Opinions, Mentoring and Experiences (AWESOME) faculty group of the College of Agriculture and Life Sciences at Texas A&M University for assistance with editing the manuscript. The author would also like to thank the Texas A&M University Open Access to Knowledge Fund (OAK Fund, supported by the University Libraries and the Office of the Vice President for Research) for partially covering the open access publication fees. |
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