Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 4
... Fig . 1. - A dry soil , ( from Dr. Madden's lecture ) ...... 66 2. - A wet soil 66 66 3. - A drained soil " 66 66 66 66 66 66 66 66 7.- rod ... 66 66 66 66 66 66 66 66 15. - Double - sole - tile .. 66 66 17.- 66 4. - A map of land with ...
... Fig . 1. - A dry soil , ( from Dr. Madden's lecture ) ...... 66 2. - A wet soil 66 66 3. - A drained soil " 66 66 66 66 66 66 66 66 7.- rod ... 66 66 66 66 66 66 66 66 15. - Double - sole - tile .. 66 66 17.- 66 4. - A map of land with ...
Página 13
... Fig . 1 , we perceive that there are two distinct classes of " pores , -first , the large ones , which exist between the par- " ticles of soil , and second , the very minute ones , which " occur in the particles themselves ; and you ...
... Fig . 1 , we perceive that there are two distinct classes of " pores , -first , the large ones , which exist between the par- " ticles of soil , and second , the very minute ones , which " occur in the particles themselves ; and you ...
Página 14
... Fig . 2 is , in fact , supplied with a " certain amount of this necessary substance ; and , owing " to this , germination does take place , although by no 66 means under such advantageous circumstances as it would 66 were the soil in a ...
... Fig . 2 is , in fact , supplied with a " certain amount of this necessary substance ; and , owing " to this , germination does take place , although by no 66 means under such advantageous circumstances as it would 66 were the soil in a ...
Página 15
... Fig . 3 , -that is , the particles of soil should hold water by attraction , ( absorption , ) and the spaces be- tween the particles should be filled with air . Heavy soils which require drainage are not in this condition . When they ...
... Fig . 3 , -that is , the particles of soil should hold water by attraction , ( absorption , ) and the spaces be- tween the particles should be filled with air . Heavy soils which require drainage are not in this condition . When they ...
Página 23
... Fig . 3 , the condition which is best adapted to the growth of useful plants . In the heaviest storms , some water will flow over the surface of even the dryest beach - sand ; but , in a well drained soil the water of ordinary rains ...
... Fig . 3 , the condition which is best adapted to the growth of useful plants . In the heaviest storms , some water will flow over the surface of even the dryest beach - sand ; but , in a well drained soil the water of ordinary rains ...
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