Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 6
... matters in agriculture . - Effects of imperfect house drainage on health.- Typhoid fever . - The Westminster fever in London . - Epidemic at the Maplewood Young Ladies Institute , in Pittsfield , Mass . - Lambeth Square , London ...
... matters in agriculture . - Effects of imperfect house drainage on health.- Typhoid fever . - The Westminster fever in London . - Epidemic at the Maplewood Young Ladies Institute , in Pittsfield , Mass . - Lambeth Square , London ...
Página 10
... matters washed out from the air , and in its de- scent through the ground , these are given up for the use of plants ; and it performs other important work among the vegetable and mineral parts of the soil . The spring water does not ...
... matters washed out from the air , and in its de- scent through the ground , these are given up for the use of plants ; and it performs other important work among the vegetable and mineral parts of the soil . The spring water does not ...
Página 11
... matters which it contains , then to descend through a well- drained subsoil , to a free outlet . From whatever source the water comes , it cannot remain stagnant in any soil without permanent injury to its fertility . The Objection to ...
... matters which it contains , then to descend through a well- drained subsoil , to a free outlet . From whatever source the water comes , it cannot remain stagnant in any soil without permanent injury to its fertility . The Objection to ...
Página 12
... matter , as it is generally called , is " found , by the aid of the microscope , to consist of broken " down vegetable tissue , so that when a small portion of " the finest dust from a garden or field is placed under the " microscope ...
... matter , as it is generally called , is " found , by the aid of the microscope , to consist of broken " down vegetable tissue , so that when a small portion of " the finest dust from a garden or field is placed under the " microscope ...
Página 14
... matters . The canals are open and freely sup- " plied with air , while the pores are filled with water ; and , " consequently , you perceive " that , while the seed a has " quite enough of air from " the canals , it can never be ...
... matters . The canals are open and freely sup- " plied with air , while the pores are filled with water ; and , " consequently , you perceive " that , while the seed a has " quite enough of air from " the canals , it can never 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