Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
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Página 22
... flow of uniform , or , at least , always sufficient rapidity , throughout its entire 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 ...
... flow of uniform , or , at least , always sufficient rapidity , throughout its entire 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 ...
Página 23
... flow over a dam , until the proper level is again at- tained . Spring water entering from below , and water ooz- ing from the adjoining land , will be removed in like man- ner , and the usual condition of the soil , above the water ...
... flow over a dam , until the proper level is again at- tained . Spring water entering from below , and water ooz- ing from the adjoining land , will be removed in like man- ner , and the usual condition of the soil , above the water ...
Página 24
... flow of adjoining land . 2d - That which reaches it below the surface , by springs and by soakage from the lower portions of adjoining land . The first of these is beneficial , because it contains fresh air , carbonic acid , ammonia ...
... flow of adjoining land . 2d - That which reaches it below the surface , by springs and by soakage from the lower portions of adjoining land . The first of these is beneficial , because it contains fresh air , carbonic acid , ammonia ...
Página 25
... flows , leaving a better channel for the water of future rains , so that , in time , the heaviest clays , which will ... flow over , the surface , ― not yielding to the soil the fertilizing matters which it con- tains , but , on the ...
... flows , leaving a better channel for the water of future rains , so that , in time , the heaviest clays , which will ... flow over , the surface , ― not yielding to the soil the fertilizing matters which it con- tains , but , on the ...
Página 26
... flow and evaporation . The com pleteness with which the latter are prevented , and the former promoted , is the measure of the completeness of the improvement . If water lie on the surface of the ground until evaporated , or if it flow ...
... flow and evaporation . The com pleteness with which the latter are prevented , and the former promoted , is the measure of the completeness of the improvement . If water lie on the surface of the ground until evaporated , or if it flow ...
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