Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Página 17
... acre of land which needs draining . If , from want of capital , this cannot be done at once , it is best to first drain a portion of the farm , doing the work thoroughly well , and to apply the return from the improvement to its ...
... acre of land which needs draining . If , from want of capital , this cannot be done at once , it is best to first drain a portion of the farm , doing the work thoroughly well , and to apply the return from the improvement to its ...
Página 34
... acre of land , would weigh about two hundred tons . The amount of heat required to evaporate this is immense , and a very large part of it is taken from the soil , which , thereby , becomes cooler , and less favorable for a rapid growth ...
... acre of land , would weigh about two hundred tons . The amount of heat required to evaporate this is immense , and a very large part of it is taken from the soil , which , thereby , becomes cooler , and less favorable for a rapid growth ...
Página 48
... various processes connected with the laying out of a system of drainage , the mode of operating on a field of ten acres will be de tailed , in connection with a series of diagrams showing 48 DRAINING FOR PROFIT AND HEALTH .
... various processes connected with the laying out of a system of drainage , the mode of operating on a field of ten acres will be de tailed , in connection with a series of diagrams showing 48 DRAINING FOR PROFIT AND HEALTH .
Página 50
... 16.9 16.9 16.5. Fig . 4. MAP OF LAND , WITH SWAMPS , ROCKS , SPRINGS , AND TREES . INTENDED TO REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING . Fig . 8. - MAP WITH CONTOUR LINES . Fig. 50 DRAINING FOR PROFIT AND HEALTH .
... 16.9 16.9 16.5. Fig . 4. MAP OF LAND , WITH SWAMPS , ROCKS , SPRINGS , AND TREES . INTENDED TO REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING . Fig . 8. - MAP WITH CONTOUR LINES . Fig. 50 DRAINING FOR PROFIT AND HEALTH .
Página 72
... acre , in drainage , is no trifle . " The shallow , or non - drainers , assume that tenacious subsoils are im- pervious or non - absorbent . This is entirely an erroneous assumption . If soils were impervious , how could they get wet ...
... acre , in drainage , is no trifle . " The shallow , or non - drainers , assume that tenacious subsoils are im- pervious or non - absorbent . This is entirely an erroneous assumption . If soils were impervious , how could they get wet ...
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