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Position: Home > Articles > Developing More Effective Enhanced Biochar Fertilisers for Improvement of Pepper Yield and Quality Pedosphere 2015,25 (5)

Developing More Effective Enhanced Biochar Fertilisers for Improvement of Pepper Yield and Quality

作  者：
Chunxue Yao;Stephen Joseph;Lianqing Li;Genxing Pan;Yuping Lin;Paul Munroe;Ben Pace;Sarasadat Taherymoosavi;Lukas Van Zwieten;Torsten Thomas;Shaun Nielsen;Jun Ye;Scott W. Donn
单  位：
School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052 (Australia); Institute of Resources, Ecosystem and Environment of Agriculture Nanjing Agricultural University, Nanjing 210095 (China);School of Biotechnology and Biomolecular Sciences & Centre for Marine Bio-Innovation, University of New South Wales, Sydney, NSW 2052 (Australia);Discipline of Chemistry, University of Newcastle, Callaghan, NSW 2308 (Australia;Discipline of Chemistry, University of Newcastle, Callaghan, NSW 2308 (Australia);New South Wales Department of Primary Industries, Wollongbar, NSW 2477 (Australia); School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052 (Australia);Institute of Resources, Ecosystem and Environment of Agriculture Nanjing Agricultural University, Nanjing 210095 (China)
关键词：
biochar;green pepper;fertilisers;treatments;chemical fertiliser;h
摘  要：
Utilization of biochar at high application rates can increase soil C and crop yields, decrease greenhouse gas emissions and reduce nutrient run-off from soils. However, the high application rate of 10 t ha(-1) may not return a profit to the farmer due to the high cost of biochar. In this study biochar was modified through pre-treating the biomass and post-treating with phosphoric acid, minerals and different chemical fertilisers to study the effects of two new enhanced biochar fertilisers on the yield and quality of green pepper in a field experiment with 5 fertilisation treatments and 3 replications. The two new biochar fertilisers significantly (P < 0.05) increased the yield of green pepper (11.33-11.47 t ha(-1)), compared with the conventional chemical fertiliser (9.72 t ha(-1)). The biochar fertiliser treatments improved the vitamin C content of green pepper from 236.99 to 278.28 mg kg(-1), and also significantly (P < 0.05) reduced the nitrate content from 132.32 to 101.92 mg kg(-1), compared with chemical fertiliser. This study indicated that, compared to the use of conventional chemical fertiliser, all of the biochar fertiliser treatments could significantly improve the yield and quality of green pepper.

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