Related by context. Frequent words. (Click for all words.) 63 sequestering carbon 62 carbon sequestration 57 bioenergy crops 57 sequester carbon 57 Carbon sequestration 56 bioenergy 56 CO2 sequestration 54 biomass 54 nitrogen fixation 53 Biochar 53 agroforestry 53 biomass feedstocks 53 perennial grasses 53 carbon sinks 53 switchgrass 53 crop residues 53 reforesting 52 woody biomass 52 Switchgrass 52 atmospheric nitrogen 52 agricultural residues 52 GHG reductions 51 sustainable forestry 51 biofuel feedstocks 51 isoprene 51 biomass feedstock 51 renewable feedstocks 51 nutrient uptake 51 soil fertility 51 absorbing carbon dioxide 51 biochar 51 carbon dioxide sequestration 51 biorefining 50 ECO2 50 conserve biodiversity 50 biofuel feedstock 50 Drip irrigation 50 cellulose ethanol 50 biofuel crops 50 woody plants 50 Fertilizing 50 biopower 49 drought tolerant landscaping 49 forest ecosystems 49 nitrogen fixing 49 rotational grazing 49 Planting trees 49 carbon 49 conservation tillage 49 Cellulosic ethanol 48 reforestation 48 planting trees 48 cellulosic feedstocks 48 photosynthesize 48 cellulosic materials 48 softwoods 48 biofuels 48 crop residue 48 prairie grasses 48 forage crops 48 CO -2 48 CO2 48 forests 48 corn stover 48 agronomic practices 48 photosynthetic 48 backyard composting 47 biofuel 47 greenhouse 47 monocultures 47 thermochemical 47 wood chips 47 stover 47 biodiversity 47 silviculture 47 biodiesel feedstock 47 soils 47 greenhouse gas emission reductions 47 forest ecologist 47 ecosystems 47 kenaf 47 co2 47 nitrous oxide emissions 47 Miscanthus 47 carbon emission reductions 47 seed germination 47 hardwood forests 47 corn silage 46 carbon dioxide 46 iron fertilization 46 biodiversity conservation 46 Mulching 46 bioswales 46 herbicides pesticides 46 nonrenewable resources 46 systematics 46 nitrogen phosphorous 46 CO ² 46 Invasive plants 46 pennycress 46 Cellulosic