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3. 不同施氮量处理中土壤速效氮含量
Fig. 3. Content of AN in soils under the different nitrogen fertilization treatments
