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

表2 地形和生物炭对烟叶产量和产值等指标的二因素方差分析（P值）结果

Table 2 Results of two-factor analysis of variance (P value) for leaf yield and economic value between topography and biochar

处理 Treatment 产量 Yield 产值 Economic value 单叶重 Weight per leaf 产量相对增幅 Relative increase in yield 产值相对增幅 Relative increase in economic value 地形Topography 0.001 0.001 0.001 0.001 0.001 生物炭Biochar 0.001 0.001 0.001 0.001 0.058 地形×生物炭Topography×Biochar 0.3529 0.4662 0.1818 0.1272 0.3920