Biochar for Sustainable Soil Health:A Review of Prospects and Concerns

作     者：Aabid H.LONE Ghulam R.NAJAR Mumtaz A.GANIE Javid A.SOFI Tahir ALI 

作者机构：Division of Soil ScienceSher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir Shalimar Department of Soil ScienceFaculty of AgricultureSher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir Research Centre for Quality and Residue AnalysisSher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir 

出 版 物：《Pedosphere》 (土壤圈（英文版）)

年 卷 期：2015年第25卷第5期

页      面：639-653页

核心收录：

学科分类：082802[工学-农业水土工程] 08[工学] 0828[工学-农业工程] 

基　　金：Department of Science and Technology, Ministry of Human Resource Development University Grants Commission, UGC 

主　　题：nitrate leaching nitrogen fixation nitrous oxide emission soil amendment soil biology soil-borne pathogens soil enzymes soil remediation 

摘      要：Biochar as a soil amendment is confronted with the challenge that it must benefit soil health as it can be by no means separated from soils once it is added. The available literature even though sparse and mostly based on short-term studies has been encouraging and the trend obtained so far has raised many hopes. Biochar has been reported to positively impact an array of soil processes ranging from benefiting soil biology, controlling soil-borne pathogens, enhancing nitrogen fixation, improving soil physical and chemical properties,decreasing nitrate(NO-3) leaching and nitrous oxide(N2O) emission to remediation of contaminated soils. However, very little biochar is still utilized as soil amendment mainly because these benefits are yet to be quantified, and also the mechanisms by which the soil health is improved are poorly understood. Due to the infancy of research regarding this subject, there are still more questions than answers. The future research efforts must focus on carrying out long-term experiments and uncover the mechanisms underlying these processes so that key concerns surrounding the use of biochar are addressed before its large scale application is recommended.