Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 48
Página 12
... placed under the " microscope , we have exhibited to us particles of every " variety of shape and structure , of which a certain part is 66 evidently of vegetable origin . " In these figures I have given a very rude representation " of ...
... placed under the " microscope , we have exhibited to us particles of every " variety of shape and structure , of which a certain part is 66 evidently of vegetable origin . " In these figures I have given a very rude representation " of ...
Página 13
... placed in the soil , at a , you at once perceive that 66 66 Fig . 2. - A WET SOIL . it is freely supplied with air , but there is no moisture ; " therefore , when soil is perfectly dry , a seed cannot grow . " Let us turn our attention ...
... placed in the soil , at a , you at once perceive that 66 66 Fig . 2. - A WET SOIL . it is freely supplied with air , but there is no moisture ; " therefore , when soil is perfectly dry , a seed cannot grow . " Let us turn our attention ...
Página 21
... placed at a considerable depth in the subsoil , and enclosed in a compact- ed bed of the stiffest earth that can conveniently be found . Stone - drains , brush - drains , sod - drains , mole - plow tracks , and the various other devices ...
... placed at a considerable depth in the subsoil , and enclosed in a compact- ed bed of the stiffest earth that can conveniently be found . Stone - drains , brush - drains , sod - drains , mole - plow tracks , and the various other devices ...
Página 22
... placed in the trenches . In addition to this , the great liability of stone- drains to become obstructed in a few years , and the cer tainty that tile - drains will , practically , last forever , are conclusive arguments in favor of the ...
... placed in the trenches . In addition to this , the great liability of stone- drains to become obstructed in a few years , and the cer tainty that tile - drains will , practically , last forever , are conclusive arguments in favor of the ...
Página 33
... placed . Evaporation . By evaporation is meant the process by which a liquid assumes the form of a gas or vapor , or " dries up . " Water , exposed to the air , is constantly under- going this change . It is changed from the liquid form ...
... placed . Evaporation . By evaporation is meant the process by which a liquid assumes the form of a gas or vapor , or " dries up . " Water , exposed to the air , is constantly under- going this change . It is changed from the liquid form ...
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