Some older papers 

http://link.springer.com/article/10.1007/BF01791278

http://www.sciencedirect.com/science/article/pii/S0961953405000693

Thanks Joe! I had found the second one (Assessment of sustainable non-plantation biomass resources potential for energy in India) and that one is actually quite helpful. Do you have access to the other?

I have access to nothing now until I get my on-campus office sorted out. Sorry.

  Dear DeAnna,

For some basic insights you may kindly have a look at this link:

http://link.springer.com/article/10.1186/s40643-016-0105-9

http://www.tropicalsoybean.com/sites/default/files/Comparative%20effectiveness%20of%20cattle%20manure,%20poultry%20manure_Ghosh,%202004.pdf

Good luck