Mechi's Experience in Drainage: To which are Added His Letters XVII., XVIII., XIX., & XX.; Likewise His Speeches on the General Subject of Agriculture, [etc.].

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Longman, Brown, Green, and Longmans, 1848 - 92 páginas
 

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Página 11 - ... to $5 per acre, in drainage, is no trifle. " The shallow, or non-drainers, assume that tenacious subsoils are impervious or non-absorbent This is entirely an erroneous assumption. If soils were impervious, how could they get wet? " I assert, and pledge my agricultural reputation for the fact, that there are no earths or clays in this kingdom, be they ever so tenacious, that will not readily receive, filter, and transmit rain water to drains placed 5 or more feet deep.
Página 15 - ... astride on the top of the opening, place the pipes abutting against each other in a continuous line, giving them a tap or two to set them firm in their places. Great care is required to scoop out all the crumbs, leaving the bottom of the drain smooth, with a sufficient fall. The bottom of the drain should not be wider, if possible, than the outside diameter of the pipe ; it is thus kept firmly in its place. A common carpenter's level answers very well ; but the workmen are generally sure to give...
Página 14 - My men, for a 5-feet drain, only open the surface 18 inches wide, and at 4 feet they can do it in 12 to 14 inches; at 6 feet deep they allow themselves ^22 inches; this is when the land is tolerably dry ; when very wet and adhesive, they sometimes allow themselves an inch or two more, to prevent the earth touching...
Página 15 - ... the common spades could not be used at all. They may be had of Mr. Lyndon direct, or ordered through the ironmongers. The middle spits are removed by a narrow threequarter spade, with a projecting iron for the foot ; and the lowest spit is taken out by a long 14-inch dagger-like spade, with two cutting edges, a sharp point. and an iron rest for the foot : this is worked edgewise first, and then removes a considerable thin, but broad deep mass. The scoop follows for the crumbs. All these to Is...
Página 71 - I am mad, or foolish, for placing 1-inch pipes, at four feet depth, in strong clays. It is in vain I refer to the numerous proofs of my soundness, brought forward by Mr. Parkes, engineer to the Royal Agricultural Society, and confirmed by Mr. Pusey. They still dispute it. It is in vain I tell them lean not keep the rainwater out of socketed pipes, twelve feet deep, that convey a spring to my farm-yard.
Página 71 - Icetp the water OUT !' Was there ever such an illustration of prejudice as this ? What is a drain pipe but a small cellar full of air ? Then, again, common sense tells us, you cant keep a light fluid under a heavy one. You might as well try to keep a cork under water, as to try and keep air under water. ' Oh ! but then our soil is n't porous.
Página 15 - ... 6 feet deep, it is seldom necessary to open 2 feet wide. It must always be borne in mind that the pipes can not be placed by the hand in such narrow drains, the bottom not being 2 inches wide. The drainers have a stick with a piece of iron like a long...
Página 15 - ... this is when the land is tolerably dry ; when very wet and adhesive, they sometimes allow themselves an inch or two more, to prevent the earth touching their clothes. As they are paid by the piece, they are very particular not to remove a bit more earth than is absolutely necessary. In stony...
Página 14 - ... the cost, 5 and 6 feet deep, at intervals of 70 and 80 feet. "I found iron-sand rocks, strong clay, silt, iron, etc., and an enormous quantity of water, all below the 2-feet drains. This accounted at once for the sudden check the crops always met with in May, when they wanted to send their roots down, but could not, without going into stagnant water.
Página 15 - They streteh a garden line, so as to open their work straight and true. The ordinary spades are not at all calculated or proper for draining in tenacious soils. We use the patent grafting tools, made by Mr. Lyndon, of Birmingham ; they are thin, well plated with steel, and ring like a bell, and will go easily into hard clays, when the common spades could not be used at all. They may he had of Mr.

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