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3. 农户0—20 cm土层有机质含量与收获期1 m土层硝态氮残留量的关系
盒子内的实线和虚线,盒子下边和上边缘线,盒子外的棒分别代表了数据的中位数和平均数,25%和75%分位数,5%和 95%分位数;实心黑点代表小于5%和大于95%分位数的数据
Fig. 3. Relationship between organic matter content in 0-20 cm soil layer of farmland and nitrate nitrogen residue in 1 m soil layer at harvest
The solid and dotted lines, lower and upper edges, bars and dots in or outside the boxes represent the median and mean values, 25th and 75th, 5th and 95th, and, <5th and >95th percentiles of all data, respectively
