Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 34
Página 15
... nearly as possible , in the condition rep- resented in 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 ...
... nearly as possible , in the condition rep- resented in 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 ...
Página 23
... nearly , or quite , the level of the floor of the drains , and its water - table will be at a distance of some feet from the surface , leaving the spaces between the particles of all of the soil above it filled with air instead of water ...
... nearly , or quite , the level of the floor of the drains , and its water - table will be at a distance of some feet from the surface , leaving the spaces between the particles of all of the soil above it filled with air instead of water ...
Página 33
... nearly 2000 times the space that it filled as a liquid . As the vapor at the time of its formation is of the same temperature with the water , and , from its highly ex- panded condition , requires a great amount of heat to main- tain it ...
... nearly 2000 times the space that it filled as a liquid . As the vapor at the time of its formation is of the same temperature with the water , and , from its highly ex- panded condition , requires a great amount of heat to main- tain it ...
Página 38
... nearly every night , in summer , the cold earth receives moisture from the atmosphere in the form of dew ; a single large head of cabbage , which at night is very cold , often condenses water to the amount of a gill or more . The same ...
... nearly every night , in summer , the cold earth receives moisture from the atmosphere in the form of dew ; a single large head of cabbage , which at night is very cold , often condenses water to the amount of a gill or more . The same ...
Página 42
... nearly it is maintained , the more nearly perfect will be the results of cultivation . Chemical Action in the Soil . - Plants receive certain of their constituents from the soil , through their roots . The raw materials from which these ...
... nearly it is maintained , the more nearly perfect will be the results of cultivation . Chemical Action in the Soil . - Plants receive certain of their constituents from the soil , through their roots . The raw materials from which these ...
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