Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 77
Página 3
... less completeness in the work must determine the extent to which the directions herein laid down are to be disre- garded ; but it is believed that , even in such cases , the principles on which those directions are founded should be ...
... less completeness in the work must determine the extent to which the directions herein laid down are to be disre- garded ; but it is believed that , even in such cases , the principles on which those directions are founded should be ...
Página 7
... less clear , according to its circumstances , but always unmistakable to the practiced eye . Sometimes it is the broad banner of standing water , or dark , wet streaks in plowed land , when all should be dry and of even color ...
... less clear , according to its circumstances , but always unmistakable to the practiced eye . Sometimes it is the broad banner of standing water , or dark , wet streaks in plowed land , when all should be dry and of even color ...
Página 9
... less evident at different seasons , and require more or less care in their ex- amination , according to the circumstances under which they are manifested . If a plowed field show , over a part or the whole of its surface , a constant ...
... less evident at different seasons , and require more or less care in their ex- amination , according to the circumstances under which they are manifested . If a plowed field show , over a part or the whole of its surface , a constant ...
Página 12
... less porous . If , however , we proceed to " examine one of the smallest particles of which soil is “ made up , we shall find that even this is not always solid , “ but is much more frequently porous , like soil in the mass . " A ...
... less porous . If , however , we proceed to " examine one of the smallest particles of which soil is “ made up , we shall find that even this is not always solid , “ but is much more frequently porous , like soil in the mass . " A ...
Página 16
... less money ; or that it will , in any case , be economical to make only such drains as are necessary to remove the water of large springs . The doctrine herein advanced is , that , so far as drain- ing is applied at all , it should be ...
... less money ; or that it will , in any case , be economical to make only such drains as are necessary to remove the water of large springs . The doctrine herein advanced is , that , so far as drain- ing is applied at all , it should be ...
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