... local availability of these resources. Copyright © 2010 International Energy and Environment Foundation - All rights reserved. Keywords: Household biogas, China, Resources, Evaluation. ... 3,350-4,200 VI 2,400-3,300 ≥5,750 3.2 Biomass resources The quantity of potentially available biomass derives from two sources: manure resources and agricultural residues. Agricultural ... production of one animal [13]. Manure resources in China in 2006 are included in Table 4 [14]. Data in Table 4 indicates that Area VI is the most abundant in manure resources, with the per capita dry...