The manures most advantageously applicable to the various sorts of soils, and the causes of their beneficial effect in each particular instance / By Richard Kirwan.
- Richard Kirwan
- Date:
- 1796
Licence: Public Domain Mark
Credit: The manures most advantageously applicable to the various sorts of soils, and the causes of their beneficial effect in each particular instance / By Richard Kirwan. Source: Wellcome Collection.
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![r 6.] the truth of this ohfervation, taken in its totality; to refute it, we need only compare the writings of Cato, Columella, or Pliny, with many mo- dern Tra&s, or ftill better, with the modern praftice of our beft farmers. It muft be granted, however, that vague and fortuitous experience has contributed much more to the prefent flou- rifhing ftate of this art than any general princi- ples deduced from our late acquired know- ledge, either of the procefs of vegetation, or of the nature of foils; but the Ikill thus fortu* itoufly acquired is neceffarily partial, and ge- nerally local; the very terms employed by the perfons who moft eminently poflfefs it, are ge- nerally of a vague and uncertain fignification. Thus Mr. Young, to whofe labours the world is more indebted for the ditfufion of agriOultu- r ral knowledge than ter any writer who has as yet appeared, remarks. That in feme parts of England, where hufoandry is fuccefsfully prac- tifed, any loofe clay is called mai l*1; in others, marl is called chalk and in others, clay is called loam+, Philofophic researches have been made, not yet fufficiently noticed ; much • firft Eaftern Tour, 178. + 1 Bath Mem. 192,2-0. J 1 Bath Mem. 137. information](https://iiif.wellcomecollection.org/image/b28780619_0008.jp2/full/800%2C/0/default.jpg)
