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Plate I. Cooperative date orchard, Arizona Station 48 



II. Red clover on prairie land, Lower Illinois glaciation 68 



III. Fig. 1. — Effect of potassium on yield of corn on peaty swamp soil 



in Illinois. Fig. 2. —Agronomy building, Illinois Station 68 



IV. Kentucky Station experiments with Bnrley tobacco. 76 



V. Pot experiment plant of New Jersey stations 102 



VI. Fig. 1. — Oklahoma Station lots for steer-feeding experiments. 

 Fig. 2. — Black-hulled white Kafir corn. Continuous culture — 



manured and unmanured 118 



VII. Fig. 1. — Wilder Hall, Massachusetts Agricultural College. Fig. 



2. — Agricultural Hall, University of Nebraska 326 



VIII. Agricultural Hall, North Carolina College of Agriculture and 



Mechanic Arts 328 



IX. Basement plan. Agricultural Hall, North Carolina College of 



Agriculture and Mechanic Arts 328 



X. First-floor plan, Agricultural Hall, North Carolina College of 



Agriculture and Mechanic Arts 328 



XI. Second-floor plan, Agricultural Hall, North Carolina College of 



Agriciilture and Mechanic Arts 328 



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