ILLUSTRATIONS 



Applying Lime Frontispiece 



FACING PAGE 



I. Clover and Timothy Unfertilized at the Penn- 

 sylvania Experiment Station Yielded 2,460 



pounds per acre 10 



II. Clover and Timothy with Fertilizer alone at 

 the Pennsylvania Experiment Station Yielded 

 3,900 pounds per acre n 



III. Clover and Timothy with Lime alone at the 



Pennsylvania Experiment Station Yielded 

 4,900 pounds per acre 14 



IV. Clover and Timothy with Fertilizer and Lime 



at the Pennsylvania Experiment Station 



yielded 6,290 pounds per acre 15 



V. Limed and Unlimed Ends of a Plot at the 



Ohio Experiment Station 16 



VI. Effect of Finely Pulverized Limestone on Clover 

 in a Soil having a Lime Requirement of 

 5,200 Pounds of Limestone per Acre, at the 



Pennsylvania Experiment Station 17 



VII. Lime Favors Clover at the Ohio Experiment 



Station 24 



VIII. Lime Aifects Growth of Corn at the Ohio Ex- 

 periment Station 25 



IX. An Indiana Limestone Quarry 32 



X. A Limestone Plant 33 



(Courtesy of the Michigan Limestone Company.) 



XI. A Limestone Pulverizer for Farm Use 38 



(Courtesy of the Jeffrey Manufacturing Company, 

 Columbus, Ohio.) 



XII. A Lime Pulver in Operation 39 



(Courtesy of the Jeffrey Manufacturing Company.) 



XIII. Laying Foundation for a Lime Stack at the 



Pennsylvania Experiment Station 48 



XIV. A Stack nearly Completed at the Pennsylvania 



Experiment Station 49 



XV. Effect of Excessive Use of Burned Lime with- 

 out Manure at the Pennsylvania Experiment 



Station 52 



XVI. A Hydrated Lime Plant 53 



(Courtesy of the Palmer Lime and Cement Com- 

 pany, York, Pa.) 



XVII. Filling the Lime Spreader at the Ohio Experi- 

 ment Station 78 



XVIII. Lime Distributors 79 



XIX. Remarkable Effect of Lime on Sweet Clover at 



the Ohio Experiment Station 86 



XX. Sweet Clover Thrives When Lime and Manure 



are Supplied, Ohio Experiment Station 87 



