基于土壤有机质含量推荐的旱地冬小麦施氮量研究
蒋龙刚1,黄明1,3,宋庆赟1,苑爱静1,李嘉华1,邱炜红1,2(
),王朝辉1,2()
),王朝辉1,2()
Research on Nitrogen Fertilizer Application Recommended Method Based on Soil Organic Matter in Dryland Wheat Production
JIANG LongGang1,HUANG Ming1,3,SONG QingYun1,YUAN AiJing1,LI JiaHua1,QIU WeiHong1,2(),WANG ZhaoHui1,2()
),WANG ZhaoHui1,2()
图4. 各试验点2014—2017年收获期0—1 m土层硝态氮残留量
误差线表示标准差,其上标注的不同字母表示同一生长季同一地点处理间差异在P<0.05水平显著。下同
Fig. 4. Nitrate N residues in 0-1 m soil layers at harvest of winter wheat at different experimental sites during 2014 to 2017
The error bar indicates standard deviation, above which different letters indicate significant difference among treatments at P<0.05 for a site in the same growing season. The same as below
