. An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles. Agriculture. 94« PRACTICE OF AGRICULTURE. III. every where in the subsoil alive and vigorous. They send up a few leaves every year in
. An encyclopædia of agriculture [electronic resource] : comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles. Agriculture. 94« PRACTICE OF AGRICULTURE. III. every where in the subsoil alive and vigorous. They send up a few leaves every year in the furrows and on the sides of drains; and when any field is neglected or left a year or two in grass, they are found all. over its surface. Were this tiact left to nature for a few years, it would soon be as completely covered with the Polygonum as it must have been at a former age, when it was one entire marsh partially covered by the Frith of Forth. The horse-tail is equally abundant in many soils, even of a drier desceiption ; and the (Serritula ^. 817. c) even in dry rocky grounds. Lightfoot {Flora SctJtica) men- tions plants of this species dug out of a quarry, the roots of which were nineteen feet in length : it would be useless to attempt eradicating the roots of such plants. The only means of keeping them under, is to cut off their tops or shoots as soon as they appear; for which purpose, lands subject to them are best kept in tillage. In grass lands, though they may be kept from rising high, yet they will, after being repeatedly mown, form a stool or stock of leaves on the surface, which will suffice to strengthen their roots, and greatly to injure the useful herbage plants and grasses. 6'2(ij. Tuberous and bulbous-roolcd treeds, are not very numerous ; wild garlic, aruin, and bryony are examples ; and these are only to be destroyed by complete eradication. (iijoi Ramose, fusiform, and siniilar!y rooted perennials, oi VihXch rest-harrow, fer
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Keywords: ., bookcentury1800, bookpublisherlondonprin, booksubjectagriculture
