. Cassell's popular gardening. Gardening. GROUND OPEEATIONS. 237 GEOUND OPEEATIONS. BBAINAGE IN PRACTICE. HAVINGr considered the main principles on which drainage rests and should be conducted, this chapter will he devoted to the explanation and illus- tration of its practice. The chief points are the direction, distance apart, depth, fall, sizes, materials, outlets, tools for making, actual cutting, and laying of the drains. ISS^ in their haste, may impoverish almost as much as. enrich the land. In the three illustrations here given, that of draining with the slope, at right angles with it, a
. Cassell's popular gardening. Gardening. GROUND OPEEATIONS. 237 GEOUND OPEEATIONS. BBAINAGE IN PRACTICE. HAVINGr considered the main principles on which drainage rests and should be conducted, this chapter will he devoted to the explanation and illus- tration of its practice. The chief points are the direction, distance apart, depth, fall, sizes, materials, outlets, tools for making, actual cutting, and laying of the drains. ISS^ in their haste, may impoverish almost as much as. enrich the land. In the three illustrations here given, that of draining with the slope, at right angles with it, and obliquely across it, the latter will mostly be found, the best. Some, however, prefer the lint) of the: slope as being at once the more simple and easy, and there can be no question that the major portion of common tile-draining in fields follows the line of the surface soil or subsoU. ^1 ^Tt- ,-Wi Direction or Line of Drains.âThis is a point that, above all others in draining, needs the as- sistance and advice of civil engineers or experienced drainers. Perhaps the most common method is that of running the drains parallel with the line of level or even fall of the ground. This mostly an- swers well where the soil and subsoil are of equal depths and uniform quality throughout; but in many cases this mode of draining is almost useless on ac- count of the difficulty of securing a fall. And be- sides, as already observed, a single or few drains so placed as to intercept the overflow water from higher levels, will cut off lower springs, and so dry at times without more trouble the whole of a field or ..'- '-^â .'';.».Xtt%-t. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fish, David Taylor, 1824-1901. London, Paris, New York Melbourne, Cassell & company, limited
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1884
