Related by context. Frequent words. (Click for all words.) 64 biochar 59 agricultural residues 59 Biochar 57 biomass 57 crop residues 56 rice husk 56 Switchgrass 56 soil conditioner 55 rice husks 55 bioenergy 54 renewable feedstocks 54 carbon sequestration 54 biomass feedstocks 54 livestock manure 54 biomass gasification 54 corn stover 54 CO2 sequestration 53 sequester carbon 53 compost 53 biorefining 52 biofuel feedstock 52 animal dung 52 vermicompost 51 bagasse 51 kenaf 51 gasified 51 pyrolysis 50 Cellulosic ethanol 50 biogas 50 anaerobic digesters 50 biomass feedstock 50 bio fuels 50 organic fertilizer 50 bio ethanol 50 EfW 50 miscanthus 50 biomass boilers 50 biowaste 50 soils 50 woody biomass 49 cellulosic 49 gasification 49 environmentally benign 49 switchgrass 49 sequestering carbon 49 stover 49 Miscanthus 49 CO ² 49 cellulosic biofuel 49 perennial grasses 49 diatomaceous earth 49 anaerobic digestion 49 biopesticides 49 Biomass 48 agroforestry 48 sweet sorghum 48 renewable 48 bio diesel 48 biofuel 48 briquettes 48 pig manure 48 nitrogen fixing 48 greywater 48 artificial fertilizers 48 Gasification 48 biodegrades 47 cellulosic biomass 47 artificial photosynthesis 47 Integrated Gasification Combined Cycle 47 xylose 47 oilseed crops 47 zeolites 47 synthetic fertilizers 47 kerogen 47 bioproducts 47 syngas 47 biobased 47 plasma gasification 47 biogas plants 47 isoprene 47 evaporation ponds 47 coal gasification 47 manures 46 anaerobic digester 46 feedstock 46 composting toilet 46 bioethanol 46 isobutanol 46 adsorbent 46 ammonium sulfate 46 chemical fertilizers 46 thermoelectric materials 46 crop residue 46 composts 46 wood chips 46 biosolids 46 converts sunlight 46 methane digester 46 pervious concrete 46 ZeaChem 46 bio remediation