Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 8
... moisture necessary to a healthy condition of the soil . There are vast areas of land in this country which do not need draining . The whole range of sands , gravels , light loams and moulds allow water to pass freely through them , and ...
... moisture necessary to a healthy condition of the soil . There are vast areas of land in this country which do not need draining . The whole range of sands , gravels , light loams and moulds allow water to pass freely through them , and ...
Página 9
... 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.
... 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
... moisture for a hearth- thy growth ; any severe effect of drought , except on poor sands and gravels , may be presumed to result from the same cause ; and a certain wiryness of grass , together with a mossy or mouldy appearance of the ...
... moisture for a hearth- thy growth ; any severe effect of drought , except on poor sands and gravels , may be presumed to result from the same cause ; and a certain wiryness of grass , together with a mossy or mouldy appearance of the ...
Página 11
... moisture . Any material which , without entirely exclud- ing the air , will shade the seed from the light , yield the needed quantity of moisture , and allow the accu- mulation of the requisite heat , will favor the chemical changes ...
... moisture . Any material which , without entirely exclud- ing the air , will shade the seed from the light , yield the needed quantity of moisture , and allow the accu- mulation of the requisite heat , will favor the chemical changes ...
Página 12
... moisture , and the effect of these conditions on the germi- nation of seeds . The figures are thus explained by Dr. Madden , from whose lecture they are taken : 66 Soil , examined mechanically , is found to consist entirely " of ...
... moisture , and the effect of these conditions on the germi- nation of seeds . The figures are thus explained by Dr. Madden , from whose lecture they are taken : 66 Soil , examined mechanically , is found to consist entirely " of ...
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