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Aberdeen Branch Station alfalfa hay application areas Assistant Average daily gain barley Basal ration breeding butterfat calcium carotene codling moth common bean cooperation corn silage cottonseed meal cows crotch angles curly top dehydrated alfalfa Department of Agriculture developed Dicklow diseases Entomologist equipment farm Federation fertilizers field forage Fortyfold fruit grass growth head daily Idaho Agricultural Experiment inches increased indicate Insects investigations irrigation lambs land livestock mastitis milk mite mortality Moscow near-wilt nurse crop nursery pasture peas Ph.D phorus phos phosphate phosphorus content phosphorus deficiency phosphorus level Phosphorus Requirements plants plots potassium thiocyanate potatoes poultry pounds per acre pounds per day pounds per head production protein rapid whole blood red clover Sandpoint season seed showed silage soil solids-not-fat southern Idaho sprays steer calves straw sulfanilamide superphosphate tests treble superphosphate trigonelline tubers U. S. Department varieties vitamin winter wheat wireworm yield