Biomass 282 biomass 205 Technology: general issues 103 Research & information: general 79 Biology, life sciences 59 Forestry 56 cellulose 52 biofuel 50 Lignin 43 Lignocellulosic biomass 42 Cellulose 39 History of engineering and technology 38 Biofuels 37 Crops 37 Ecosystems 37 lignin 37 China 36 Research and information: general 32 Saccharification 32 Article 29 Carbon 29 Ecology 29 Climate change 28 Plants (botany) 27 Soils 27 aboveground biomass 27 enzyme activity 26 nonhuman 26 hydrolysis 25 Enzymatic hydrolysis 23