Agricultural Workers' DiseasesAgricultureFarmer's LungCrop, AvianPesticidesAnimal HusbandryDairyingOccupational ExposureCrops, AgriculturalMicromonosporaceaePlants, Genetically ModifiedPrecipitinsVeterinariansFood, Genetically ModifiedZea maysSoilHerbicidesPest ControlOrganic AgricultureFood SupplyHistory, AncientOryza sativaGossypiumSeedsPlant DiseasesPlant WeedsHealth FoodCerealsSorghumFood AssistancePolandDustBiomassLivestockAgricultural IrrigationPest Control, BiologicalHerbicide ResistanceBrassica napusConservation of Natural ResourcesGenome, PlantTriticumPlant LeavesDroughtsPoultryArchaeologyBiofuelsInsecticidesVeterinary MedicinePoaceaeGenes, PlantManihotBrassica rapaEthnobotanyPlant RootsAbsidiaIowaSeasons