15545
Overall , we conclude that the application of 50 % urea with 50 % Azocompost is recommended for optimising the content and composition of essential oils in dragonhead .
 Chemical: urea
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: urea