Phonethep P, Sengsouly P, Preston T R and Leng R A 2017: Methane production in an in vitro rumen fermentation of molasses-urea was reduced by supplementation with fresh rather than dried cassava (Manihot esculenta, Crantz) leaves and by biochar. Livestock Research for Rural Development. Volume 29, Article #41. Retrieved , from http://www.lrrd.org/lrrd29/3/ppho29041.html