秸秆还田配施氮肥对稻田土壤活性碳氮动态变化的影响
王士超1,2,闫志浩1,王瑾瑜1,槐圣昌1,武红亮1,邢婷婷1,叶洪龄1,卢昌艾1(
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Nitrogen Fertilizer and Its Combination with Straw Affect Soil Labile Carbon and Nitrogen Fractions in Paddy Fields
ShiChao WANG1,2,ZhiHao YAN1,JinYu WANG1,ShengChang HUAI1,HongLiang WU1,TingTing XING1,HongLing YE1,ChangAi LU1()
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图2. 不同施氮量处理中土壤水溶性有机氮含量
大写字母表示不同采样时期间的比较,不同字母表示差异显著（P<0.05）。下同
Fig. 2. Content of DON in soils under the different nitrogen fertilization treatments
Capital letters show comparison between different growth stages, different letters mean significance at 5% level. The same as below
