Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 32
Página 11
... deposit the fertilizing 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 ...
... deposit the fertilizing 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 ...
Página 30
... deposits at the point of evaporation , the collection of these finely divided matters serving to completely fill the ... deposited at the top of 30 DRAINING FOR PROFIT AND HEALTH .
... deposits at the point of evaporation , the collection of these finely divided matters serving to completely fill the ... deposited at the top of 30 DRAINING FOR PROFIT AND HEALTH .
Página 31
... deposited at the top of the subsoil . It is found in practice that the first foot in depth of retentive soils is more retentive than that which lies below . If this opinion as to the cause of this greater im- perviousness is correct ...
... deposited at the top of the subsoil . It is found in practice that the first foot in depth of retentive soils is more retentive than that which lies below . If this opinion as to the cause of this greater im- perviousness is correct ...
Página 37
... than itself , it gives up its heat , thus losing its braces , contracts , becomes liquid water , and is deposited as dew . Many instrances of this operation are familiar to all For HOW DRAINS ACT , AND AFFECT THE SOIL . 37.
... than itself , it gives up its heat , thus losing its braces , contracts , becomes liquid water , and is deposited as dew . Many instrances of this operation are familiar to all For HOW DRAINS ACT , AND AFFECT THE SOIL . 37.
Página 38
... deposited on its own surface , of course the water comes from the atmosphere , not through the wall of the pitcher ; if ... deposit of atmospheric moisture will keep it supplied with water , at a point easily accessible to the roots of ...
... deposited on its own surface , of course the water comes from the atmosphere , not through the wall of the pitcher ; if ... deposit of atmospheric moisture will keep it supplied with water , at a point easily accessible to the roots of ...
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