1Piccolo A,Pietramellara G,Mbagwu J S C.Effects of coal derived humic substances on water retention and structural stability of Mediterranean soils[J].Soil Use Manage.1996(12):209-213.
2Iyobe T,Asada T,Kawata K,et al.Comparison of removal efficiencies for ammonia and amine gases between woody charcoal and activated carbon[J].Journal of Heath Science,2004(50):148-153.
3Lehmann J,Silva J P,Steiner C,et al.Nutrient availability and leaching in an archaeological Anthrosol and a Ferralsol of the Central Amazon basin:Fertilizer,mature and charcoal amendments[J].Plant and Soil,2003(249):343-357.
4Mizuat K,Matsumoto T,Hataet Y,et al.Removal of nitrate nitrogen from drinking water using bamboo powder charcoal[J].Bioresource Technology,2004(95):255-257.
5Glaser B,Lehmann J,Zech W.Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal-a review[J].Biol Fertil Soils,2002(35):219-230.
6Isobe K,Fujii H,Tsuboki Y.Effect of charcoal on the yield of sweet potato[J].Japanese Journal of Crop Science,1996,65(3):453-459.
7Chan K Y,Van Zwieten L,Meszaros I,et al.Agronomic values of green waste biochar as a soil amendment[J].Australian Journal of Soil Research,2007(45):629-634.