Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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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 11
... heat ; and the presence of atmospheric air , and 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 ...
... heat ; and the presence of atmospheric air , and 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 ...
Página 12
... heat is reduced by the chilling effect of evaporation , and as atmospheric air is ex- cluded by water , will the germination of the seed be re- tarded ; and , in case of complete saturation for a long time , absolute decay will ensue ...
... heat is reduced by the chilling effect of evaporation , and as atmospheric air is ex- cluded by water , will the germination of the seed be re- tarded ; and , in case of complete saturation for a long time , absolute decay will ensue ...
Página 18
... heat ; in harvest time , bad weather may delay the gathering until the crop is greatly injured , and fall and spring work must often be put off because of wet . The above is no fancy sketch . Every farmer who culti vates a retentive ...
... heat ; in harvest time , bad weather may delay the gathering until the crop is greatly injured , and fall and spring work must often be put off because of wet . The above is no fancy sketch . Every farmer who culti vates a retentive ...
Página 24
... heat , obtained from the atmosphere ; and the flowage water contains , in addition , some of the finer or more soluble parts of the land over which it has passed . The second , is only so much dead water , which has already given up ...
... heat , obtained from the atmosphere ; and the flowage water contains , in addition , some of the finer or more soluble parts of the land over which it has passed . The second , is only so much dead water , which has already given up ...
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