Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 53
Página 5
... distance apart . - Direction of laterals . - Collars . - Discharge of water from drains . CHAPTER IV.- -HOW TO MAKE THE DRAINS . Tools . - Marking the lines . - Water - courses . - Outlets . - Silt - Basins.- Opening the ditches ...
... distance apart . - Direction of laterals . - Collars . - Discharge of water from drains . CHAPTER IV.- -HOW TO MAKE THE DRAINS . Tools . - Marking the lines . - Water - courses . - Outlets . - Silt - Basins.- Opening the ditches ...
Página 17
... distance , which has been found sufficient for the worst cases . The directions of this book will be confined to the treatment of land which demands thorough work . Such land is that which , at some time during the period of vegetation ...
... distance , which has been found sufficient for the worst cases . The directions of this book will be confined to the treatment of land which demands thorough work . Such land is that which , at some time during the period of vegetation ...
Página 23
... 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 . The water below the drains stands at a level , like any other water that is dammed up ...
... 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 . The water below the drains stands at a level , like any other water that is dammed up ...
Página 33
... distance from the sur- face . This subject will be more fully treated in a future chapter , in considering the question of the depth , and the intervals , at which drains should be placed . Evaporation . By evaporation is meant the ...
... distance from the sur- face . This subject will be more fully treated in a future chapter , in considering the question of the depth , and the intervals , at which drains should be placed . Evaporation . By evaporation is meant the ...
Página 40
... distance from the surface , plants , -even without the valuable aid of deep and subsoil plowing , — will send their roots to great depths . Writers on this subject cite many instances in which the roots of ordinary crops " not mere ...
... distance from the surface , plants , -even without the valuable aid of deep and subsoil plowing , — will send their roots to great depths . Writers on this subject cite many instances in which the roots of ordinary crops " not mere ...
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