Related by context. Frequent words. (Click for all words.) 71 switchgrass 69 Miscanthus 66 miscanthus 65 corn stover 62 sweet sorghum 61 Cellulosic ethanol 60 perennial grasses 59 biomass 59 woody biomass 59 bioenergy 59 prairie grasses 58 oilseed crops 57 salt tolerant 57 crop residues 57 Jatropha 56 agricultural residues 56 stover 56 prairie grass 56 corn ethanol 55 biomass feedstock 55 biofuel crops 55 corn silage 54 Atrazine 54 Bioethanol 54 Biofuel 54 drought tolerant 54 Camelina 54 Biomass 53 biomass feedstocks 53 camelina 53 Photosynthesis 53 tall fescue 53 forbs 53 biochar 53 soy biodiesel 52 Feedstock 52 jatropha 52 alfalfa 52 Gasification 52 biofuel 52 grain sorghum 52 cellulosic ethanol 52 pigweed 52 Biofuels 51 biofuels 51 biobutanol 51 carbon sequestration 51 grasses 51 ethanol 51 soybean varieties 51 cellulosic biomass 51 sorghum 50 Sorghum 50 forage crops 50 ryegrass 50 Algae 50 cellulosic 50 Cellulose 50 biodiesel 50 Organic farming 50 cellulosic biofuels 50 corn 49 nitrogen fixation 49 Bioenergy 49 conservation tillage 49 feedstocks 49 corn acreage 49 red clover 49 feedstock 49 Ethanol 49 bio ethanol 49 cultivar 49 Glyphosate 49 crops 49 corn crop 49 Crops 49 nitrogen fertilizers 48 biorefinery 48 legume 48 sandy soils 48 distillers grains 48 cultivars 48 alfalfa hay 48 biobased 48 Plantings 48 Hybrids 48 transgenic crops 48 transgenic plants 48 drought resistant 48 lignite coal 48 Bio Diesel 48 kenaf 48 corn cobs 48 bioethanol 48 forage 48 Mulching 48 butanol 48 Renewable 48 nitrogen fertilizer 47 Biodiesel 47 soils