Journal of Food, Agriculture and Environment
Vol 11,
Issue 1,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Growth of ‘Fireworks’ gomphrena grown in substrates amended with biochar
Author(s):
Mengmeng Gu 1,
Qi Li 2, Philip H. Steele 2, Genhua Niu 3, Fei Yu 4*Recieved Date: 2012-07-11, Accepted Date: 2013-01-20
Abstract:Biochar obtained from flash pyrolysis was incorporated with two container substrates (pine bark or a commercial peat moss-based substrate) at 5, 10, 15, 20, 25 and 30% (by volume) to grow Gomphrena ‘Fireworks’ for 43 days. At the end of 43 days, there was no interaction between substrate and biochar on plant width. Plants grown in biochar mixed with the commercial substrate had greater width than those grown in biochar mixed bark. There was interaction between substrate and biochar on plant height and the substrate effect was significant too. For plant fresh weight (FW) and dry weight (DW), only the effect of substrate was significant. The plant’s FW and DW had significant linear relationship with the percentage of biochar in the bark mixes, but not in the Sunshine Mix #1 mixes. Biochar could replace pine bark or commercial peat moss- and perlite-based substrate from 5-30% without negative impact on plant growth.
Keywords:Pyrolysis,
biochar, substrate, pine bark, peat mossJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 1
Category: Environment
Pages: 819-821
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