Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 22
... length . Land which requires draining , is that which , at some time during the year , ( either from an accumulation of the rains which fall upon it , from the lateral flow , or soakage , from adjoining land , from springs which open ...
... length . Land which requires draining , is that which , at some time during the year , ( either from an accumulation of the rains which fall upon it , from the lateral flow , or soakage , from adjoining land , from springs which open ...
Página 26
... length , especially with reference to Absorption and Filtration ; Evapora tion ; Temperature ; Drought ; Porosity or Mellowness ; and Chemical Action . ABSORPTION AND FILTRATION . - The process of under- draining is a process of ...
... length , especially with reference to Absorption and Filtration ; Evapora tion ; Temperature ; Drought ; Porosity or Mellowness ; and Chemical Action . ABSORPTION AND FILTRATION . - The process of under- draining is a process of ...
Página 48
... length of drain , and which will require the least possible extra deep cutting ; and in so arranging the main , drains as to require the smallest possible amount of the larger and more costly pipes ; or , if only a part of the farm is ...
... length of drain , and which will require the least possible extra deep cutting ; and in so arranging the main , drains as to require the smallest possible amount of the larger and more costly pipes ; or , if only a part of the farm is ...
Página 49
... length of the field , marking it with stakes at intervals of 50 feet , then stake other lines , also at intervals of 50 feet , perpendicular to the base line , and then note the position of the stakes on the maps ; next , by the aid of ...
... length of the field , marking it with stakes at intervals of 50 feet , then stake other lines , also at intervals of 50 feet , perpendicular to the base line , and then note the position of the stakes on the maps ; next , by the aid of ...
Página 57
... length . If the sloping line , ( at an angle of 15 ° , ) is 100 feet long , it rises 25.882 feet . TABLE No. 1 . TABLE No. 2 . DEG . FEET . DEG . FEET . DEG . FEET . DEG . FEET . 15 MAXURETU , 8.749 10 17.633 26.795 36.397 46,631 57.735 ...
... length . If the sloping line , ( at an angle of 15 ° , ) is 100 feet long , it rises 25.882 feet . TABLE No. 1 . TABLE No. 2 . DEG . FEET . DEG . FEET . DEG . FEET . DEG . FEET . 15 MAXURETU , 8.749 10 17.633 26.795 36.397 46,631 57.735 ...
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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