78790
However , the use of ricebean as a green manure crop was studied in a series of field experiments in Nepal , and this revealed that it is one of the best legumes for the purpose due to high biomass production over a short period of time , is easy to incorporate into the soil , and decomposes rapidly .
 Nepal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nepal