Draining for Profit, and Draining for HealthOrange Judd Company, 1902 - 252 páginas |
Dentro del libro
Resultados 1-5 de 80
Página 5
... Depth and 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 ...
... Depth and 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 ...
Página 9
... depth of three or four feet in the earth , may collect water at its bottom , shortly after a rain ; —this is a sure sign of the need of draining . All tests of the condition of land as to water , —such as trial pits , etc. , should be ...
... depth of three or four feet in the earth , may collect water at its bottom , shortly after a rain ; —this is a sure sign of the need of draining . All tests of the condition of land as to water , —such as trial pits , etc. , should be ...
Página 15
... depth occupied by roots , which , with most cultivated plants is , in drained land , two or three feet , sometimes even more , should be maintained , as nearly as possible , in the condition rep- resented in Fig . 3 , —that is , the ...
... depth occupied by roots , which , with most cultivated plants is , in drained land , two or three feet , sometimes even more , should be maintained , as nearly as possible , in the condition rep- resented in Fig . 3 , —that is , the ...
Página 17
... depth and 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 ...
... depth and 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 ...
Página 18
... depth , crack ing and gaping open , in wide fissures , as the clay loses its water of absorption , and shrinks . After the surface soil has become sufficiently dry , the land may be plowed , seeds will germinate , and plants will grow ...
... depth , crack ing and gaping open , in wide fissures , as the clay loses its water of absorption , and shrinks . After the surface soil has become sufficiently dry , the land may be plowed , seeds will germinate , and plants will grow ...
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
accumulated acre agricultural allow basin bottom brick bushels carried cause Central Park cents chapter clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect 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 roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end vegetable whole width