Related by context. Frequent words. (Click for all words.) 60 mycorrhizal fungi 58 photoperiod 57 photosynthetic 57 atmospheric CO2 concentrations 56 endophyte 56 Bt toxin 55 seed germination 55 acidic soils 54 physicochemical 54 carbon dioxide concentrations 54 nitrogen fixation 54 atmospheric CO2 54 nitrogen fixing 54 secondary metabolites 54 Germination 53 ESTs 53 atmospheric CO 53 trehalose 52 transgenic plants 52 sorption 52 photosynthetic organisms 52 hydrologic cycle 52 foliar 52 chloroplast 52 alkaline soils 52 Bt crops 52 insecticidal 52 fertilization 51 biofuel feedstocks 51 inoculant 51 isoprene 51 monomeric 51 biogeochemical 51 C. albicans 51 Photosynthesis 51 photosynthesis 51 terpenes 51 nutrient uptake 51 genotypic 51 drained soils 51 oestrogens 51 bioactivity 51 cold hardiness 50 Fertilization 50 abiotic 50 desiccation 50 methane CH4 50 phyto 50 atmospheric nitrogen 50 fungal pathogens 50 Miscanthus 50 woody plants 50 Hybridization 50 microbial ecology 50 glyphosate resistance 50 terrestrial ecosystems 50 CO2 concentrations 50 herbaceous plants 50 bioenergy crops 50 soil salinity 50 tocopherol 50 forcings 50 Fig. 1A 50 clonal 50 S. cerevisiae 50 H#O# 50 sweetgum 49 heterosis 49 unfertilized 49 glyphosate resistant weeds 49 nitrification 49 hematopoietic cells 49 transgenic corn 49 phytoplankton blooms 49 Arabidopsis 49 ultraviolet UV light 49 Phytophthora 49 forskolin 49 inorganic fertilizers 49 herbicide resistant crops 49 salt tolerant 49 fruiting bodies 49 nanotechnological 49 allergenicity 49 Carbon sequestration 49 soils 48 hybridization 48 leafhoppers 48 absorbs carbon dioxide 48 turfgrasses 48 bioassays 48 weedkillers 48 Cyanobacteria 48 Arabidopsis thaliana 48 Bacillus subtilis 48 herbaceous perennials 48 pollinating insects 48 mycobacteria 48 systematics 48 mycelium 48 transgenic crops