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Iowa State Discovers Natures Ag School 4 Jff
A Farm That Works
Beat Weeds Before Their Time
aerial-seeded allelopathic animals baby pigs beans bedding broadcast broadleaf weeds Buffalo cultivator Buffalo planter build ridges bushels per acre buttonweeds chemical chisel plow clean compost control weeds Corn Ear Leaf corn or soybeans corn yields cost cover crop crop rotation DICK and SHARON disk hillers Earthworm emerge erosion fall farmers farrowing fertilizer field cultivator finishing unit flex cultivator Food System foxtail germinate grain growing hairy vetch herbicides hogs Iowa State University isolette keep kill last cultivation leaf potassium legume manure Nature's Ag School nitrogen no-till nursery units oats organic farming percent planted soybeans planter sweep plots plow populations Potassium pounds per acre probiotics RAA Library rear bar ridge-planting Ridge-till Soybeans rotary hoe rotary-hoeing rotation row foot seedbed seeding rate SHARON THOMPSON BOONE shelled corn sleeping hutches sows soybean variety starter ration Thompson farm tillage tractor weed control weed growth weed seeds weeks winter