Draining for Profit, and Draining for HealthOrange Judd Company, 1902 - 252 páginas |
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Página 16
... commencing this improvement , a single field be really well drained , than that the whole farm be half drained . Of course , there are some farms which suffer from too much water , which are not worth draining at present ; many more ...
... commencing this improvement , a single field be really well drained , than that the whole farm be half drained . Of course , there are some farms which suffer from too much water , which are not worth draining at present ; many more ...
Página 28
... commenced anew with the next drying . 66 66 Mr. Gisborne , in his capital essay on " Agricultural Drainage , " which appeared in the Quarterly Review , No. CLXXI , says : " We really thought that no one was so ig- norant as not to be ...
... commenced anew with the next drying . 66 66 Mr. Gisborne , in his capital essay on " Agricultural Drainage , " which appeared in the Quarterly Review , No. CLXXI , says : " We really thought that no one was so ig- norant as not to be ...
Página 36
... commence 7 inches " below the surface , and do not extend to mid - summer . " At that period of the year the temperature , at 7 inches , 66 never exceeded 66 ° , and was generally from 10 ° to 15 ° " below the temperature of the air in ...
... commence 7 inches " below the surface , and do not extend to mid - summer . " At that period of the year the temperature , at 7 inches , 66 never exceeded 66 ° , and was generally from 10 ° to 15 ° " below the temperature of the air in ...
Página 45
... commence an analysis , or a combination , which is choked off when half complete , leaving food for sorrel , but making none for grass . We must throw open door and window , draw away the water in which all is immersed , let in the air ...
... commence an analysis , or a combination , which is choked off when half complete , leaving food for sorrel , but making none for grass . We must throw open door and window , draw away the water in which all is immersed , let in the air ...
Página 46
... commencing actual operations , will prevent waste and avoid failure . Any person of ordinary intelligence may qualify himself to lay out under - drains and to superintend their construction , -but the knowl edge which is required does ...
... commencing actual operations , will prevent waste and avoid failure . Any person of ordinary intelligence may qualify himself to lay out under - drains and to superintend their construction , -but the knowl edge which is required does ...
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
accumulated acre agricultural allow basin bottom brick bushels carried cause Central Park cents chapter clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect 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 roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end vegetable whole width