Show ILP LP CORN PRODUCTIVENESS field May Be Greatly Increased by t Continued Careful Selection of Seed in Planting P j Corn productiveness may be great great- Increased through continued elec- elec A n. n For 14 seasons this has been died on a acre farm In Ohio q i h 10 acre plots of corn on these o Nail all plots seed selected from depart depart- t it t operative co-operative Improvement have o en n contrasted with the farm yields 1 i same variety of corn less rigid rigid- cb selected elected and grown under 1 cultural conditions During the thet t sev year jn-year period the fields plant plant- department seed yielded liels per acre more than the farm I t Js while for foe the second seven rd ITS ra the increase averaged bush bush- 1 per acre r Ii |