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" But the gist of the whole matter is this: That for an easy and economical method of maintaining the fertility of the soil

there is nothing equal to the practice of dairy farming."

FIRST PRINCIPLES OF SOIL FERTILITY

By

ALFRED VIVIAN Professor of Agricultural Chemistry in the College of Agriculture

of the Ohio State University

ILLUSTRATED

NEW YORK
ORANGE JUDD COMPANY

LONDON
KEGAN PAUL, TRENCH, TRUBNER & CO., Limited

1908

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“Ye rigid Ploughmen! bear in mind

Your labor is for future hours.
Advance ! spare not! nor look behind !
Plough deep and straight with all your powers!”

RICHARD HENGIST HORNE.

"When tillage begins, other arts follow. The iarmers therefore, are the founders of human civilization.”

DANIEL WEBSTER.

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