主要栽培措施对北方春玉米产量贡献的定量评估
杨哲1(
),于胜男1(),高聚林1,田甜1,孙继颖1,魏淑丽1,胡树平1,李荣发1,李从锋2,王志刚1()
),于胜男1(),高聚林1,田甜1,孙继颖1,魏淑丽1,胡树平1,李荣发1,李从锋2,王志刚1()
Quantitative Evaluation of the Contribution of Main Management Factors to Grain Yield of Spring Maize in North China
YANG Zhe1(),YU ShengNan1(),GAO JuLin1,TIAN Tian1,SUN JiYing1,WEI ShuLi1,HU ShuPing1,LI RongFa1,LI CongFeng2,WANG ZhiGang1()
),YU ShengNan1(),GAO JuLin1,TIAN Tian1,SUN JiYing1,WEI ShuLi1,HU ShuPing1,LI RongFa1,LI CongFeng2,WANG ZhiGang1()
图2. 不同耕作措施（a）和不同深耕深度（b）下春玉米产量比较
箱线图中实线代表中位数;虚线代表平均值;箱上下边代表上下四分位。下同
Fig. 2. Comparison of yield variation of maize under different soil tillage methods (a) and different tillage depth (b)
The solid line in the boxplot represents the median; The dotted line represents the average; The bottom of the box represents the upper and lower quartile. The same as below
