Related by context. Frequent words. (Click for all words.) 58 cattle feedlots 52 cow manure 52 Sweet sorghum 52 Radioactive waste 51 pig manure 51 manure 51 Anhydrous ammonia 51 hog manure 51 cattle feedlot 50 rice hulls 50 biodigester 50 Switchgrass 49 methane digesters 49 manure piles 49 livestock manure 49 cow patties 48 chicken manure 48 methane digester 48 evaporation ponds 48 Coal gasification 48 Toxic chemicals 48 byproducts 48 Cellulosic ethanol 47 distiller grain 47 alfalfa fields 47 pomace 47 Carbon sequestration 47 corncobs 47 decomposing garbage 47 animal dung 47 rice husks 47 Sugar beet 47 potato peels 47 Drip irrigation 47 agricultural residues 46 Organic farming 46 Biodiesel Plant 46 chicken droppings 46 digesters 46 Highly radioactive 46 gasified 46 Freight train derails 46 Sulfuric acid 46 irrigate crops 46 anaerobic digester 46 wastewater sludge 46 pig feces 46 phosphate mines 45 baled hay 45 canola seeds 45 Biogas 45 unpleasant smell 45 JR Simplot Co. 45 Genetically modified crops 45 sequester carbon dioxide 45 biogas 45 uranium tailings 45 orange juice concentrate 45 biomass 45 cellulosic feedstock 45 lignite coal 45 absorbs carbon dioxide 44 anaerobic digesters 44 rice husk 44 potent greenhouse gas 44 corn cobs 44 russet potatoes 44 Controlled burns 44 feedlot cattle 44 hemicellulose 44 Ammonia leak 44 wheat stubble 44 hog confinements 44 sodium nitrate 44 potassium permanganate 44 Sulfur dioxide 44 ammonia nitrogen 44 Biorefinery 43 corn stalk 43 Ethanol Production 43 soil conditioner 43 suspected carcinogen 43 Corn syrup 43 manure pits 43 crop residues 43 agricultural 43 rotting vegetation 43 methane 43 Durum wheat 43 Camelina 43 contaminate groundwater 43 Genetically modified 43 poultry manure 43 beef tallow 43 Hydrogen sulfide 43 harmful contaminants 43 polluted groundwater 43 smokehouses 43 cement kiln 43 sugarbeet 43 quicklime