NPK flux is highest in RDA, implying that cycling intensity and recycled farmland nutrients are higher in RDA.RDA depends less on fertilizer and is therefore more friendly to the environment.
英
美
- 此外,稻鸭萍共作生态系统氮磷钾各养分循环通量也表现为最高,显示稻鸭萍共作生态系统农田养分循环强度较高,对施肥的依赖程度较低,对环境压力小。