我国麦田有机肥替代化学氮肥的产量及经济环境效应
李永华1(
),武雪萍2,何刚1(),王朝辉1()
),武雪萍2,何刚1(),王朝辉1()
Benefits of Yield, Environment and Economy from Substituting Fertilizer by Manure for Wheat Production of China
LI YongHua1(),WU XuePing2,HE Gang1(),WANG ZhaoHui1()
),WU XuePing2,HE Gang1(),WANG ZhaoHui1()
图2. 不同条件下有机肥替代对小麦产量的影响
点和误差线分别代表增加的百分比和95%置信区间。如果95%置信区间不跨越零线,则处理与对照组有显著差异。括号内的数字表示样本的数目
Fig. 2. Substituting fertilizer by manure effects on wheat yield under different conditions
The points and error lines represent the increased percentage and the 95% confidence interval, respectively. If the 95% confidence interval does not span the zero line, the treatment is significantly different from the control. The numbers in brackets represent the number of samples
