Related by context. Frequent words. (Click for all words.) 65 absorbs carbon dioxide 58 potent greenhouse gas 58 recharge groundwater 57 hydrologic cycle 57 decomposing organic 57 Carbon sequestration 55 sequester carbon 55 crop residues 54 methane CH4 53 pasture grasses 53 Photosynthesis 53 absorbing carbon dioxide 53 sequestering carbon 53 absorbs moisture 53 aerates 52 decaying vegetation 52 carbon sequestration 51 soil erosion 51 streambanks 51 stratospheric ozone layer 51 sequester carbon dioxide 51 hydrological cycle 51 Biochar 51 acidifying 51 deplete oxygen 51 atmospheric nitrogen 50 Nielsen Gammon 50 Drip irrigation 50 Nitrogen oxides 50 nutrient runoff 50 evapotranspiration 50 periodic droughts 50 Sulfur dioxide 50 Lignin 49 nutrient rich 49 nitrogen fixing 49 saturated soils 49 acidify 49 Genetic modification 49 Soil erosion 49 Burning fossil fuels 49 tannic acid 49 nitrification 49 absorb carbon dioxide 48 biochar 48 soil salinity 48 decomposes 48 oxidizes 48 arid climates 48 collects rainwater 48 woody vegetation 48 Fertilizing 48 photosynthesis 48 isoprene 48 Mulching 48 groundwater depletion 48 nitrous oxide emissions 48 moistens 48 rotting vegetation 47 transpiration 47 Evaporation 47 photosynthesize 47 perennial grasses 47 cryosphere 47 nourishes 47 Pyrolysis 47 nitrogen fixation 47 naturally occurring 47 carbon sinks 47 methane 47 atmospheric pollutants 47 salination 47 carbon dioxide 47 riparian vegetation 47 crop residue 47 ecosystems 47 algal biomass 46 vegetation 46 atmospheric methane 46 Acidic 46 fertilizes 46 subtropical regions 46 fertile soils 46 phytoplankton blooms 46 mycorrhizal fungi 46 wetter winters 46 Coal gasification 46 Volatile organic compounds 46 warmer wetter 46 oxidizing agent 46 prolonged droughts 46 Switchgrass 46 aquifer recharge 46 environmentally beneficial 46 microbial ecology 46 bioenergy crops 46 agroforestry 46 oxygenating 46 biodegraded 46 Methyl bromide 46 CO -2