Horse-hoeing husbandry : $b or, an essay on the principles of vegetation and tillage. Designed to introduce a new method of culture; whereby the produce of land will be increased, and the usual expence lessened. Together with accurate descriptions and cuts of the instruments employed in it.Tull, Jethro
Science
Horse-hoeing husbandry : $b or, an essay on the principles of vegetation and tillage. Designed to introduce a new method of culture; whereby the produce of land will be increased, and the usual expence lessened. Together with accurate descriptions and cuts of the instruments employed in it.
Tull, Jethro
Agriculture -- Early works to 1800; Plows; Tillage
But what is most to be regarded is, that as soon as the Ploughman has
done his Work of plowing and harrowing, the Soil begins to undo it,
inclining towards, and endeavouring to regain, its natural specific
Gravity; the broken Parts by little and little coalesce, unite, and
lose some of their Surfaces; many of their Pores and Interstices close
up during the Seed’s Incubation and Hatching in the Ground; and, as
the Plants grow up, they require an Increase of Food proportionable
to their increasing Bulk; but on the contrary, instead thereof, that
internal Superficies, which is their artificial Pasture, gradually
decreases.
The Earth is so unjust to Plants, her own Off-spring, as to shut up
her Stores in proportion to their Wants; that is, to give them less
Nourishment when they have need of more: Therefore Man, for whose Use
they are chiefly design’d, ought to bring in his reasonable Aid for
their Relief, and force open her Magazines with the Hoe, which will
thence procure them at all times Provisions in Abundance, and also free
them from Intruders; I mean, their spurious Kindred, the Weeds, that
robb’d them of their too scanty Allowance.
There’s no Doubt, but that one third Part of the Nourishment raised by
Dung and Tillage, given to Plants or Corn at many proper Seasons, and
apportion’d to the different Times of their Exigencies, will be of more
Benefit to a Crop, than the Whole apply’d, as it commonly is, only at
the time of Sowing. This old Method is almost as unreasonable as if
Treble the full Stock of Leaves, necessary to maintain Silk-worms till
they had finished their Spinning, should be given them before they are
hatched, and no more afterwards.
Next to Hoeing, and something like it, is Transplanting, but much
inferior; both because it requires a so much greater Number of Hands,
that by no Contrivance can it ever become general, nor does it succeed,
if often repeated; but Hoeing will maintain any Plant in the greatest
Vigour ’tis capable of, even unto the utmost Period of Age. Besides,
there is Danger in removing a whole Plant, and Loss of Time before the
Plant can take Root again, all the former Roots being broken off at
the Ends in taking up (for ’tis impossible to do it without), and so
must wait until by the Strength and Virtue of its own Sap (which by a
continual Perspiration is daily enfeebled) new Roots are form’d, which,
unless the Earth continue moist[38], are so long in forming, that they
not only find a more difficult Reception into the closing Pores; but
many Times the Plant languishes and dies of an Atrophy, being starv’d
in the midst of Plenty; but whilst this is thus decaying, the hoed
Plant obtains a more flourishing State than ever, without removing from
the same Soil that produc’d it.
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