秸秆还田配施氮肥对稻田土壤活性碳氮动态变化的影响
|
Nitrogen Fertilizer and Its Combination with Straw Affect Soil Labile Carbon and Nitrogen Fractions in Paddy Fields
|
图5. 不同施氮时期处理中土壤易氧化有机碳和速效氮含量 |
Fig. 5. Content of ROC and AN in soils under the different nitrogen application time treatments |
![]() |