WHAT ARE THE MANURES MOST ADVAN-TAGEOUSLY APPLICABLE TO THE VA-RIOUS SORTS OF SOILS;

AND,

WHAT ARE THE CAUSES OF THEIR BENE-FICIAL EFFECT IN EACH PARTICULARINSTANCE.

Idoneus Patri®, sit UtiUs Agris.

JUVEN. SAT. 14.

Agriculture is the art of making the

earth produce the largest crop of useful vege-tables at the smallest expense. It has oftenbeen remarked, that amidst the various im-provements which most of the practical artshave derived from the progress lately made innatural philosophy and chemistry, none havefallen to the share of agriculture, but that it re-mains nearly in the same state in which it ex-isted two thousand years ago. I am far fromallowing the truth of this observation, taken

B