Related by context. Frequent words. (Click for all words.) 64 climatic conditions 62 prolonged droughts 61 periodic droughts 60 harsh climates 59 aridity 58 drier summers 57 semi arid regions 56 frequent droughts 56 severe droughts 54 arid climates 54 soil salinity 54 fertile soils 54 floods cyclones 53 salination 53 temperate zones 52 climates 52 micro climates 52 alkaline soils 51 arid regions 51 arid lands 51 temperate regions 51 Severe drought 51 Melting glaciers 50 drylands 50 inhospitable terrain 50 semi arid 50 hotter summers 50 temperate forests 50 acidic soils 50 desiccation 50 cereal crops 49 cold climates 49 colder winters 49 inhospitable environments 49 harsh winters 49 irrigated crops 49 ecologies 49 warmer drier 49 floods droughts 49 droughts 49 herbicide resistant crops 49 intensively farmed 49 agro pastoral 49 Warming temperatures 49 Climatic 49 Migrating birds 48 prolonged drought 48 tropical climates 48 livestock rearing 48 parching 48 locust plague 48 humid climates 48 monsoonal rains 48 deciduous forests 48 driest continent 48 subtropical regions 48 horticultural crops 48 warmer wetter 48 locust swarms 47 capercaillie 47 milder winters 47 heatwaves 47 montane 47 sparse vegetation 47 freeze thaw cycles 47 rainfed 47 desert locusts 47 unforgiving terrain 47 arable farmers 47 arid 47 temperate climates 47 soils 47 Heavy snowfalls 47 hay meadows 47 grazing pastures 46 pastoralist communities 46 moorlands 46 bluetongue virus 46 upwellings 46 drained soils 46 conifer forests 46 insect borne diseases 46 El Niños 46 predation 46 avian influenza outbreaks 46 potato blight 46 insect infestations 46 pastoralism 46 climatically 46 Droughts 46 subtropical climate 46 Polar Regions 45 fungal pathogen 45 arable crops 45 temperature extremes 45 volcanic soils 45 droughts floods 45 vitamin D deficiencies 45 agro ecological 45 shelterbelts 45 population densities