When the phosphorus concentration in organic matter is greater than 0.3%, what occurs ?
A、Purebiologicalfixation;
B、Puremineralization;
C、Bothpurebiologicalfixationandpuremineralization;
D、Phosphorusconcentrationinorganicmatterdoesnotaffectmicrobialprocesses
发布时间：2025-05-28 19:01:40
