Related by context. Frequent words. (Click for all words.) 64 carbon sequestration 59 Carbon sequestration 59 crop residues 58 CO2 sequestration 58 sequester carbon 57 biochar 57 conservation tillage 57 soil fertility 57 rotational grazing 56 livestock manure 56 forage crops 56 agroforestry 56 perennial grasses 55 crop yields 55 crop residue 55 GHG reductions 55 biomass feedstocks 54 bioenergy 54 nitrous oxide emissions 54 cropland 53 nutrient runoff 53 Biochar 53 greenhouse gas emission reductions 53 evapotranspiration 53 nitrogen fixation 53 sequestering carbon 53 Switchgrass 52 biofuel feedstock 52 drylands 52 biopesticides 52 irrigated agriculture 52 corn stover 52 nitrogen fertilizers 52 tillage 52 rangeland 51 biomass 51 biofuel crops 51 buffer strips 51 greenhouse gases GHGs 51 renewable feedstocks 51 soils 51 cellulosic materials 51 croplands 51 horticultural crops 51 distiller grains 50 oilseed crops 50 biomass feedstock 50 agronomic practices 50 crop rotations 50 conserve biodiversity 50 seed germination 50 aquifer recharge 50 carbon sinks 50 rainfed 50 arid lands 50 woody biomass 50 nitrogen fixing 50 groundwater recharge 49 isoprene 49 nonrenewable resources 49 grassland 49 stover 49 soil erosion 49 irrigated crops 49 biorefining 49 corn silage 49 fertile soils 49 biofuels 48 GHG reduction 48 Fertilizing 48 EQIP 48 feedstuffs 48 monocultures 48 bio fuels 48 nutrient loading 48 FAPRI 48 evaporative 48 agricultural 48 harvested acreage 48 rangelands 48 Program EQIP 48 avoided deforestation 47 albedo 47 bioeconomy 47 terrestrial ecosystems 47 anaerobic digesters 47 hydrological cycle 47 afforestation 47 corn ethanol 47 agricultural residues 47 switchgrass 47 GHG emission 47 forbs 47 agro forestry 47 prolonged droughts 47 gaseous fuels 47 arid regions 47 iron fertilization 47 species extinctions 47 Environmental Quality Incentives 47 nitrogen