生物炭对山坡地烟叶产量和氮肥利用效率的影响效果评价

刘美菊,李江舟,计思贵,樊苗苗,谷星慧,张立猛,张劲伟,瞿兴,周文兵,林杉

Evaluation of Effect of Biochar on Tobacco Yield and Nitrogen Use Efficiency in Mountain Slope Areas

Meiju Liu,Jiangzhou Li,Sigui Ji,Miaomiao Fan,Xinghui Gu,Limeng Zhang,Jinwei Zhang,Xing Qu,Wenbing Zhou,Shan Lin

图3 地形（n=54）和生物炭（n=18）用量对烟株单叶重及其相对增幅（n=9）的影响

Fig.3 Effects of topography (n=54) and biochar (n=18) on weight per leaf and relative increase (n=9)