SIR JOHN BENNET LAWES, Bart., D.C.L., LL.D., F.R.S.,
OF ROTHAMSTED,
AND
SIR J. HENRY GILBERT, M.A., LL.D., F.R.S.,
FORMERLY SIBTHORPIAN PROFESSOR OF RURAL ECONOMY, UNIVERSITY OF OXFORD, WHOSE FAMOUS INVESTIGATIONS DURING THE LAST FIFTY YEARS HAVE SO LARGELY CONTRIBUTED TO BUILD UP THE SCIENCE OF MANURING,
THIS WORK,
EMBODYING MANY OF THE ROTHAMSTED RESULTS, IS DEDICATED.