Draining for Profit, and Draining for HealthOrange Judd Company, 1902 - 252 páginas |
Dentro del libro
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Página 8
... subsoils . Money expended in drain ing such lands as do not require the operation is , of course wasted ; and when there ... subsoil is puddled by being plowed over when too wet , and the injury is of considerable duration . Rain water ...
... subsoils . Money expended in drain ing such lands as do not require the operation is , of course wasted ; and when there ... subsoil is puddled by being plowed over when too wet , and the injury is of considerable duration . Rain water ...
Página 9
... prevented , by a wet subsoil , from sending down its roots below the reach of the sun's heat , where it would find . even in the dryest weather , sufficient moisture for a 1 * LAND TO BE DRAINED AND THE REASONS WHY . 9.
... prevented , by a wet subsoil , from sending down its roots below the reach of the sun's heat , where it would find . even in the dryest weather , sufficient moisture for a 1 * LAND TO BE DRAINED AND THE REASONS WHY . 9.
Página 11
... subsoil , to a free outlet . From whatever source the water comes , it cannot remain stagnant in any soil without permanent injury to its fertility The Objection to too much Water in the Soil wil be understood from the following ...
... subsoil , to a free outlet . From whatever source the water comes , it cannot remain stagnant in any soil without permanent injury to its fertility The Objection to too much Water in the Soil wil be understood from the following ...
Página 17
... subsoil , to a great extent , con- sists of clay or other compact material , which is not im- pervious , in the sense in which india - rubber is impervious , ( else it could not have become wet , ) but which is suffi ciently so to ...
... subsoil , to a great extent , con- sists of clay or other compact material , which is not im- pervious , in the sense in which india - rubber is impervious , ( else it could not have become wet , ) but which is suffi ciently so to ...
Página 18
... subsoil , which is slowly drawn from below . If no spring , or ooze , keep up the supply , and if no more rain fall , the subsoil may be dried to a considerable depth , crack ing and gaping open , in wide fissures , as the clay loses ...
... subsoil , which is slowly drawn from below . If no spring , or ooze , keep up the supply , and if no more rain fall , the subsoil may be dried to a considerable depth , crack ing and gaping open , in wide fissures , as the clay loses ...
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
accumulated acre agricultural allow basin bottom brick bushels carried cause Central Park cents chapter clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect 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 roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end vegetable whole width