Related by context. Frequent words. (Click for all words.) 67 Drip irrigation 65 conservation tillage 63 conventional tillage 60 herbicide resistant crops 60 Organic farming 60 rotational grazing 60 intercropping 60 agronomic practices 59 Durum wheat 59 Fertilizing 58 tillage 58 alkaline soils 58 rainfed 58 seed germination 57 acidic soils 57 crop rotations 57 Irrigated 57 Tillage 57 shelterbelts 57 Carbon sequestration 56 arid climates 56 soil fertility 56 wheat stubble 56 Switchgrass 56 perennial grasses 56 drained soils 56 nutrient runoff 56 Grain sorghum 56 harvested acreage 56 soil salinity 56 irrigated crops 55 glyphosate resistant 55 glyphosate resistance 55 perennial ryegrass 55 Mulching 55 tall fescue 55 agro ecological 55 horticultural crops 55 crop residues 55 postharvest 55 forbs 54 bioenergy crops 54 agroforestry 54 forage crops 54 sugarbeet 54 fescues 54 irrigated 54 sugarbeets 54 kg ha 53 biopesticides 53 nitrogen fixing 53 alkaline soil 53 crop residue 53 oilseed crops 53 inorganic fertilizers 53 bermudagrass 53 fertigation 53 Soil moisture 53 dryland wheat 53 Coal gasification 53 riparian vegetation 53 nutrient uptake 53 Genetic modification 53 woody vegetation 53 oilseed crop 53 Bt crops 53 winter hardiness 53 buffer strips 53 soil compaction 53 Fescue 53 Fungicides 53 irrigated agriculture 53 dryland cotton 53 disking 53 upland cotton 53 Soybean planting 52 biofuel feedstocks 52 sprinkler irrigation 52 horseweed 52 deciduous forests 52 silking 52 quail habitat 52 foliar 52 sandy loam 52 crop yields 52 Integrated Pest Management 52 Replanting 52 nitrogen fertilizers 52 arable crops 52 soil erosion 52 riparian zones 52 shade tolerant 52 soils 52 grazing pastures 52 prairie grasses 52 pigeon pea 52 drought tolerant 51 corn silage 51 woody plants 51 agroecology 51 sandy soils