Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 12
... complete saturation for a long time , absolute decay will ensue , and the germ will die . The accompanying illustrations , ( Figures 1 , 2 and 3 , ) from the " Minutes of Information " on Drainage , submitted by the General Board of ...
... complete saturation for a long time , absolute decay will ensue , and the germ will die . The accompanying illustrations , ( Figures 1 , 2 and 3 , ) from the " Minutes of Information " on Drainage , submitted by the General Board of ...
Página 16
... complete manner , and that it is 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 ...
... complete manner , and that it is 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 ...
Página 26
... complete , than if it were well drained . The foregoing general statements , concerning the action of water in drained , and in undrained land , and of the effects of its removal , by gravitation , and by evaporation , are based on ...
... complete , than if it were well drained . The foregoing general statements , concerning the action of water in drained , and in undrained land , and of the effects of its removal , by gravitation , and by evaporation , are based on ...
Página 27
... complete draining of such lands as contain large proportions of clay or of peat . It is re- tarded , in proportion to the amount of the free water in the soil which is evaporated from the surface , and in propor- tion to the trampling ...
... complete draining of such lands as contain large proportions of clay or of peat . It is re- tarded , in proportion to the amount of the free water in the soil which is evaporated from the surface , and in propor- tion to the trampling ...
Página 28
... complete and more universal ; but it is only after the water of saturation , which occupies the lower soil for so large a part of the year , has been re- moved by draining , that roots can penetrate to any con- siderable depth , and ...
... complete and more universal ; but it is only after the water of saturation , which occupies the lower soil for so large a part of the year , has been re- moved by draining , that roots can penetrate to any con- siderable depth , and ...
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