Chhay T, Phalla M, Borin K and Preston T R 2013:
Synergism between biochar and biodigester effluent as soil amenders for biomass production and nutritive value of Mustard green (Brassica juncea).
Livestock Research for Rural Development. Volume 25, Article #57.
Retrieved
, from http://www.lrrd.org/lrrd25/4/chha25057.htm