potassium fixation

例句：

1. 1.Potassium fixation is an important process in the production of fertilizers.
   钾固定是生产肥料的重要过程。
2. 2. The plant's ability to fix potassium is crucial for its growth.
   植物固定钾的能力对其生长至关重要。
3. 3. The research on potassium fixation has significant implications for agricultural productivity.
   钾固定研究对农业生产力有重要影响。