Bulletin, Issues 75-90

acid acre alfalfa amounts of copper Arizona Arizona walnut average barley basic copper carbonate beans bite biuret Broom corn cacti Capri Capri figs carbonate cells chalcocite Colorado copper salts Corn roots cotton County Cowpeas crop CuCO cultivation CuSO distilled early English walnut Eucalypts feet field fig wasp freezing point frost fruit Gila grafting grain grams growing grown in soils growth heat Hopi inches injured insects irrigation Johnson grass July June Kafir killed Mature Opuntia orchard Papago peas plants plot poison potatoes Pounds Pounds precipitation Prescott Dry-farm produce protoplasm rabbits Rattlesnake region River root systems root tips roots grown samples scion season seed seedling showing skunk Smyrna Snowflake Dry-farm soils containing soluble solution sorghums species Spring Valley Squash Station Farm sulphate summer TABLE tailings temperature Tepary toxic effects trees Tucson usually varieties wasp water cultures weather wheat White WILLIAM ScARLETT winter yellow yield Yuma