生物炭与无机氮配施对稻田温室气体排放及氮肥利用率的影响

向伟,王雷,刘天奇,李诗豪,翟中兵,李成芳

Effects of Biochar Plus Inorganic Nitrogen on the Greenhouse Gas and Nitrogen Use Efficiency from Rice Fields

XIANG Wei,WANG Lei,LIU TianQi,LI ShiHao,ZHAI ZhongBing,LI ChengFang

表1 生物炭基本理化性质

Table 1 Basic physical and chemical properties of biochar used

pH 全氮 Total N (%) 全碳 Total C (%) 比表面积 Specific surface area (m2·g-1) 灰分 Ash (%) 孔径 Pore diameter (nm) 9.45 1.02 44.81 27.31 5.11 8.12