Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Resultados 1-5 de 39
Página 21
... greater size required for stone than for tiles , of handling the stones , of placing them properly in the ditches , and of covering them , after they are laid , with a suitable bar- rier to the rattling down of loose earth among them ...
... greater size required for stone than for tiles , of handling the stones , of placing them properly in the ditches , and of covering them , after they are laid , with a suitable bar- rier to the rattling down of loose earth among them ...
Página 28
... greater the shrinking , as brickmakers well know . In the great drought , 36 years ago , we saw in a very retentive " soil in the Vale of Belvoir , cracks which it was not 66 very pleasant to ride among . This very summer , on land ...
... greater the shrinking , as brickmakers well know . In the great drought , 36 years ago , we saw in a very retentive " soil in the Vale of Belvoir , cracks which it was not 66 very pleasant to ride among . This very summer , on land ...
Página 31
... greater im- perviousness is correct , it will be readily seen how water , descending to the drains , by carrying these soluble and finer parts downward and distributing them more equally through the whole , should render the soil more ...
... greater im- perviousness is correct , it will be readily seen how water , descending to the drains , by carrying these soluble and finer parts downward and distributing them more equally through the whole , should render the soil more ...
Página 34
... greater than this in the summer months , but this is surely enough for the purposes of illustration , as two inches of water , over an acre of land , would weigh about two hundred tons . The amount of heat required to evaporate this is ...
... greater than this in the summer months , but this is surely enough for the purposes of illustration , as two inches of water , over an acre of land , would weigh about two hundred tons . The amount of heat required to evaporate this is ...
Página 37
... greater depth in winter and thaw out ear- lier in the spring . The deep freezing has the effect to greatly pulverize the lower soil , thus better fitting it for the support of vegetation ; and the earlier thawing makes it earlier ready ...
... greater depth in winter and thaw out ear- lier in the spring . The deep freezing has the effect to greatly pulverize the lower soil , thus better fitting it for the support of vegetation ; and the earlier thawing makes it earlier ready ...
Otras ediciones - Ver todas
Draining for Profit, and Draining for Health George E 1833-1898 Waring Sin vista previa disponible - 2015 |
Términos y frases comunes
acre agricultural allow basin bottom brick bushels carried cause cents clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect Ensilage evaporation fall Farm farmer feet deep fever field fifth column filled flow foot four feet Gisborne grade ground Hackensack River heat heavy rain houses improvement inches joints kiln labor laid land lateral drains laying length less lower main drain malarious manure marsh matters moisture muddy water nearly necessary obstruction operation outlet particles pipes placed plants plow porous practice prevent quantity rain-fall removed result retentive roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage soil spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end whole width