基于不同方法的汉中盆地稻麦轮作土壤供氮能力评价
张方方1,2(),马宁博1,3,岳善超1,2,李世清1,2()
Evaluation of Nitrogen Supply Capacity of Paddy and Wheat Rotation Soil in Hanzhong Basin by Different Determination Methods
ZHANG FangFang1,2(),MA NingBo1,3,YUE ShanChao1,2,LI ShiQing1,2()

图2. 不同采样点土壤盆栽黑麦草地上部和地下部累积吸氮量
不同字母间表示在 P<0.05 水平差异显著。下同

Fig. 2. The aboveground N uptake and root N uptake by ryegrass at different sampling sites
There are significant differences at P<0.05 between different letters. The same as below