4566
The biotic ligand model ( BLM ) approach has been proposed to predict metal phyto - toxicity and - accumulation by taking into account the effects of coexistent cations , given the assumption of the partition equilibrium of metal ions between soil solution and solid phase .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None