Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Resultados 1-5 de 37
Página 14
... better condition . 66 " We pass on now to Fig . 3 . Here we find a different state of matters . The canals are open and freely sup- " plied with air , while the pores are filled with water ; and , " consequently , you perceive " that ...
... better condition . 66 " We pass on now to Fig . 3 . Here we find a different state of matters . The canals are open and freely sup- " plied with air , while the pores are filled with water ; and , " consequently , you perceive " that ...
Página 16
... better that , in commencing this improvement , a single field be really well drained , than that the whole farm be half drained . Of course , there are some farms which suffer from too much water , which are not worth draining at ...
... better that , in commencing this improvement , a single field be really well drained , than that the whole farm be half drained . Of course , there are some farms which suffer from too much water , which are not worth draining at ...
Página 25
... better channel for the water of future rains , so that , in time , the heaviest clays , which will drain but imperfectly during the first one or two years , will pass water , to a depth of four or five feet , freely though less readily ...
... better channel for the water of future rains , so that , in time , the heaviest clays , which will drain but imperfectly during the first one or two years , will pass water , to a depth of four or five feet , freely though less readily ...
Página 29
... better year " by year ; the water gets a habit of coming to them ' —a very " correct statement of fact , though not a very philosophical " explanation . " 66 Alderman Mechi , of Tiptree Hall , says : " Filtration ' may be too sudden ...
... better year " by year ; the water gets a habit of coming to them ' —a very " correct statement of fact , though not a very philosophical " explanation . " 66 Alderman Mechi , of Tiptree Hall , says : " Filtration ' may be too sudden ...
Página 37
... better fitting it for the support of vegetation ; and the earlier thawing makes it earlier ready for spring work . Drought . At first thought , it is not unnatural to sup pose that draining will increase the ill effect of too dry ...
... better fitting it for the support of vegetation ; and the earlier thawing makes it earlier ready for spring work . Drought . At first thought , it is not unnatural to sup pose that draining will increase the ill effect of too dry ...
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