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当前位置: 首页 > 文章 > Feeding Biochar to Cows: An Innovative Solution for Improving Soil Fertility and Farm Productivity 土壤圈(英文版) 2015,25 (5)
Position: Home > Articles > Feeding Biochar to Cows: An Innovative Solution for Improving Soil Fertility and Farm Productivity Pedosphere 2015,25 (5)

Feeding Biochar to Cows: An Innovative Solution for Improving Soil Fertility and Farm Productivity

作  者：
Stephen Joseph;Doug Pow;Kathy Dawson;David R. G. Mitchell;Aditya Rawal;James M. Hook;Sarasadat Taherymoosavi;Lukas Van Zwieten;J. Rust;Scott W. Donne;Paul Munroe;Ben Pace;Ellen R. Graber;Torsten Thomas;Shaun Nielsen;Jun Ye;Yuping Lin;Genxing Pan;Lianqing Li;Zakaria M. Solaima
单  位：
Warren Catchments Council, 52 Bath St, Manjimup 6258 (Australia);School of Materials Science and Engineering, University of New South Wales, Sydney 2052 (Australia);Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization, POB 6, Bet Dagan 50250 (Israel);Centre for Marine Bio-Innovation, School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney (Australia);MarronBrook Farm, Manjimup 6258 (Australia); School of Materials Science and Engineering, University of New South Wales, Sydney 2052 (Australia);Wollongbar Primary Industries Institute, NSW Department of Primary Industries,1243 Bruxner Highway, Wollongbar 2477 (Australia); Institute of Resources, Ecosystem and Environment of Agriculture, Nanjing Agricultural University, Nanjing 210095 (China);Discipline of Chemistry, University of Newcastle, Callaghan 2308 (Australia);Electron Microscopy Center, AIIM, University of Wollongong, Wollongong 2522 (Australia);Institute of Resources, Ecosystem and Environment of Agriculture, Nanjing Agricultural University, Nanjing 210095 (China);Soil Biology and Molecular Ecology Group, School of Earth and Environment (M087), The University of Western Australia, Crawley 6009 (Australia;Mark Wainwright Analytical Centre, University of New South Wales, Kensington 2052 (Australia); Electron Microscopy Center, AIIM, University of Wollongong, Wollongong 2522 (Australia)
关键词：
biochar;dung;cows;dung beetles;farm;soil profil
摘  要：
Addition of biochar produced through thermal decomposition of biomass has been seen as a strategy to improve soils and to sequester carbon (C), but wide scale implementation of the technology requires to devise innovative profitable solutions. To develop biochar utilisation with an integrated system approach, an innovative program was implemented in 2012 on a 53-ha farm in Western Australia to determine the costs and benefits of integrating biochar with animal husbandry and improvement of pastures. Biochar was mixed with molasses and fed directly to cows. The dung-biochar mixture was incorporated into the soil profile by dung beetles. We studied the changes in soil properties over 3 years. Biochar extracted from fresh dung and from the soil to a depth of 40 cm was characterised. A preliminary financial analysis of the costs and benefits of this integrated approach was also undertaken. The preliminary investigation results suggested that this strategy was effective in improving soil properties and increasing returns to the farmer. It was also concluded that the biochar adsorbed nutrients from the cow's gut and from the dung. Dung beetles could transport this nutrient-rich biochar into the soil profile. There was little evidence that the recalcitrant component of the biochar was reduced through reactions inside the gut or on/in the soil. Further research is required to quantify the long-term impact of integrating biochar and dung beetles into the rearing of cows.

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