U.S. DEPARTMENT OF AGRICULTURE. 
OFFICE OF EXPERIMENT STATIONS— BULLETIN NO. 106. 
A. C. TRUE, Director. 
RESULTS i INVESTIGATIONS ON THE ROTBAMSTE SOILS, 
BEING THE LECTURES DELIVERED UNDER 
THE PROVISIONS <>K 
THE I.AW Ks AGRICULTURAL TRUST, 
in 
BERNARD DYER, D. Sc. (Lond.),F. I. C, F. 0. S., F. L. S. 
Before tin- Association <»f American Agricultural Colleges and K.\|>eriinent Stations at 
New Haven and Middlrtown. ('"nn.. in Novcmlx-r. l'.KKt. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1 ( .*02. 
