Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 9
... growth it has been 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.
... growth it has been 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 10
... roots ; but any soil of ordinary richness , which contains a fair amount of clay , will withstand even a severe drought , without great injury to its crop , if it is thoroughly drained , and is kept loose at its surface . Poor crops are ...
... roots ; but any soil of ordinary richness , which contains a fair amount of clay , will withstand even a severe drought , without great injury to its crop , if it is thoroughly drained , and is kept loose at its surface . Poor crops are ...
Página 11
... roots of ordinary plants . It has fallen on other land , and , presumably , has there done its appointed work , and ought not to be allowed to convert our soil into a mere outlet passage for its removal . The ooze water , —that which ...
... roots of ordinary plants . It has fallen on other land , and , presumably , has there done its appointed work , and ought not to be allowed to convert our soil into a mere outlet passage for its removal . The ooze water , —that which ...
Página 15
... roots , which , with most cultivated plants is , in drained land , two or three feet , sometimes even more , should be maintained , as nearly as possible , in the condition rep- resented in Fig . 3 , -that is , the particles of soil ...
... roots , which , with most cultivated plants is , in drained land , two or three feet , sometimes even more , should be maintained , as nearly as possible , in the condition rep- resented in Fig . 3 , -that is , the particles of soil ...
Página 17
... roots of ordinary crops ; in which there is not a free outlet at the bottom for all the water which it receives from the heavens , from adjoining land , or from springs ; and which is more or less in the con- dition of standing in a ...
... roots of ordinary crops ; in which there is not a free outlet at the bottom for all the water which it receives from the heavens , from adjoining land , or from springs ; and which is more or less in the con- dition of standing in a ...
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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