Related by context. Frequent words. (Click for all words.) 67 pivot irrigation 65 drip irrigation 64 rotational grazing 62 irrigated 61 irrigation 60 tillage 60 soaker hoses 60 conservation tillage 58 soaker hose 58 crop rotations 58 corn silage 58 aeration 56 irrigated crops 56 spray nozzles 56 silage 56 forage crops 56 irrigate 55 seeder 55 lucerne 54 sprayer 54 perennial grasses 54 alfalfa 54 crops 53 harrow 53 spray nozzle 53 buffer strips 52 aerate 52 Fertilizing 52 seedbeds 52 irrigating 52 irrigation pumps 52 sandy soils 52 saturated soils 51 crop residues 51 seed germination 51 dryland 51 grain sorghum 51 anaerobic digesters 51 sugarbeets 51 compacted soil 51 tilling 51 nitrogen fertilizer 51 Irrigated 51 Switchgrass 51 lawn sprinkler 50 distiller grains 50 Aeration 50 aerators 50 foliar 50 aerator 50 crop residue 50 corn 50 coarse sand 50 salt tolerant 50 pasture 50 drained soils 50 nitrogen fixing 50 moist soil 50 balers 49 evapotranspiration 49 oilseed crops 49 unplanted 49 fertilizing 49 manure 49 Miscanthus 49 harvester 49 manures 49 tilled 49 hog manure 49 digesters 49 bermudagrass 49 tines 49 irrigates 49 drought resistant 49 tillers 49 sprayers 49 driers 49 hoeing 49 ryegrass 49 activated sludge 49 potting mix 49 harvesting 49 soil moisture 48 triticale 48 soil compaction 48 windrows 48 stover 48 forage 48 haying 48 digester 48 cereal crops 48 irrigate crops 48 western Corn Belt 48 aerating 48 corn soybean 48 baling 48 subsoil moisture 48 windbreaks 48 millets 48 evaporation ponds 48 forages