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3 地形和生物炭对不同时期烤烟农艺性状的二因素方差分析（P值）结果

Table 3 Results of two-factor analysis of variance (P value) for agronomic traits at different stages between topography and biochar

性状Trait	团棵期Rosette				旺长期Vigorous				打顶期Topping
	地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar		地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar		地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar
	地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar	株高Plant height	地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar	0.0001	地形 Topography	生物炭 Biochar	地形×生物炭 Topography× Biochar	0.0603	0.7898	0.0001	0.0645	0.9582	0.0001	0.0080	0.9168
茎粗Stem diameter	0.0562	0.9932	0.9955		0.0001	0.8941	0.9723		0.0001	0.2915	0.9751
叶片数Number of leaf	0.0025	0.9389	0.9925		0.0001	0.3915	0.9855		0.0001	0.0105	0.3782
叶面积指数Leaf area index	0.0001	0.9737	0.9955		0.0001	0.4979	0.9990		0.0001	0.0002	0.9470