Binh Phuong L T, Preston T R and Leng R A 2011:
Mitigating methane production from ruminants; effect of supplementary sulphate and nitrate on methane production in an in vitro incubation using sugar cane stalk and cassava leaf meal as substrate.
Livestock Research for Rural Development. Volume 23, Article #22.
, from http://www.lrrd.org/lrrd23/2/phuo23022.htm