Related by context. Frequent words. (Click for all words.) 70 cropland 61 farmlands 60 farmland 59 crops 58 grasslands 57 grassland 55 biofuel crops 54 pastureland 53 arable land 52 soil fertility 52 agricultural 51 irrigated 51 rangelands 51 floodplains 50 forests 50 wetland 50 pastures 50 overgrazing 49 forage 49 vegetation 49 grasses 49 wetlands 49 crop yields 49 fertile lands 49 prairie grass 49 soils 48 soil erosion 48 corn acreage 48 paddy fields 47 pasture 47 watersheds 47 irrigation 47 corn stover 47 rangeland 46 forestland 46 afforestation 46 flood plains 46 native grasses 46 agriculture 46 semi arid 46 deforested 46 watercourses 46 carbon sinks 46 corn crop 46 rivers 46 Droughts 45 livestock 45 desertification 45 crop 45 Crops 45 arable 45 cornstalks 45 forestlands 45 grazing 45 replanting 45 aquifers 45 prairies 45 tropical forests 45 soybean crops 45 chemical fertilizers 45 oil palm plantations 44 peat bogs 44 mangrove forests 44 wildlife habitat 44 savanna 44 forest 44 tropical forest 44 cornfields 44 woody plants 44 catchments 43 arid 43 floodplain 43 rice paddies 43 habitats 43 switchgrass 43 carbon sequestration 43 hectares 43 vast tracts 43 prolonged drought 43 tillage 43 farmers 43 irrigating 43 corn stalks 43 peatlands 43 grazing lands 43 farming 43 soybean crop 43 ponds 43 floods 43 farms 43 maize crop 42 acreages 42 sorghum 42 herds 42 subsistence farming 42 Bt corn 42 drainage ditches 42 prairie 42 corn ethanol 42 waterways 42 soybeans