ROTHAMSTED MEMOIRS

ON

AGRICULTURAL CHEMISTRY

AND

PHYSIOLOGY.

BY

SIR JOHN BENNET LAWES, BART., D.C.L., LL.D., F.R.S., F.C.S., &c.,

OF ROTHAMSTED, HERTS.,

AND

SIR JOSEPH HENRY GILBERT, M.A., PH.D., LL.D., F.R.S., V.P.C.S., &o.

VOLUME VI.

CONTAINING REPORTS OF

FIELD EXPERIMENTS,
EXPERIMENTS ON VEGETATION,
&c., &c.

PUBLISHED 1884-1890 INCLUSIVE.

LONDON:

PRINTED BY WILLIAM CLOWES AND SONS, LIMITED,

STAMFORD STREET AND CHARING CROSS.

ROTHAMSTED MEMOIRS.

CONTENTS OF VOL. VI.

REPORTS OF FIELD EXPERIMENTS,
EXPERIMENTS ON VEGETATION, &c., &c.

1. Introduction to the study of the Scientific Principles of Agriculture;

being The Inaugural Lecture, delivered May 6, 1881, at the

University Museum, Oxford

...

Publish ed

1884

2. On the Composition of the Ash of Wheat-Grain, and Wheat-Straw,

grown at Rothamsted, in different Seasons, and by different

Manures (Jour. Chem. Soc., vol. xlv., p. 305. August 1884) ... 1884

3. Report of Experiments on the growth of Wheat, for the second

period of twenty years in succession on the same Land (Jour.

Roy. Ag. Soc. Eng., vol. xx., s.s., part 2, p. 391.)

4. On some points in the Composition of Soils; with Results illustrat-

ing the sources of the Fertility of Manitoba Prairie Soils (Brit.

Ass. for the Advancement of Science, Montreal, September 2,

1884; Abstract Rep. Brit. Ass. for 1884, page 686. Full Paper-

Trans. Chem. Soc., vol., xlvii. p. 380, June 1885)

1884

1884-1885

5. On Agricultural Investigation; illustrated by Results of Experi-

ments at Rothamsted, on the Growth of Wheat, for forty years

in succession on the same Land. Being a Lecture delivered at

the Michigan State Agricultural College, Lansing, Mich., October

14, 1884; and at Rutger's College, New Brunswick, N. J., October

27, 1884

...

...

...

6. Note on some conditions of the Development, and of the Activity, of

Chlorophyll-Abstract (Report of the Brit. Ass. for the Advance-

ment of Science, 1885)

...

...

7. On the Valuation of Unexhausted Manures (Jour. Roy. Ag. Soc.

Eng., vol. xxi., s.s., part 2. p 590.)

...

...

1885

1885

8. Results of Experiments at Rothamsted, on the Growth of Barley,

for more than thirty years in succession on the same Land (Agri-

cultural Students' Gazette, New Series, vol. iii., part 1.)

9. Remarques sur la relation qui existe entre les sommes de température

et la production agricole (Archives des Sciences physiques et

naturelles, Troisième période, Tome xvi., No. 11, 15 Novembre,

1886)

1886

1886