18375
The data revealed that germination rate and radicle length of V . faba seedlings were promoted by low NB concentrations and short exposure periods , whereas these parameters were inhibited at greater NB concentrations and longer exposures .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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