Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
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Resultados 1-5 de 18
Página 18
... retentive soil will confess , that all of these incon veniences conspire , in the same season , to lessen his returns , with very damaging frequency ; and nothing is more com- mon than for him to qualify his calculations with the pro ...
... retentive soil will confess , that all of these incon veniences conspire , in the same season , to lessen his returns , with very damaging frequency ; and nothing is more com- mon than for him to qualify his calculations with the pro ...
Página 28
... retentive " soil in the Vale of Belvoir , cracks which it was not 66 very pleasant to ride among . This very summer , on land which , with reference to this very subject , the owner " stated to be impervious , we put a walking stick ...
... retentive " soil in the Vale of Belvoir , cracks which it was not 66 very pleasant to ride among . This very summer , on land which , with reference to this very subject , the owner " stated to be impervious , we put a walking stick ...
Página 31
... retentive soils is more retentive than that which lies below . If this opinion as to the cause of this greater im- perviousness is correct , it will be readily seen how water , descending to the drains , by carrying these soluble and ...
... retentive soils is more retentive than that which lies below . If this opinion as to the cause of this greater im- perviousness is correct , it will be readily seen how water , descending to the drains , by carrying these soluble and ...
Página 35
... retentive 66 soil , which is saturated with water of attraction , is dis- " charged by evaporation , it lowers the temperature of " that soil 10 ° . If the soil has the means of discharging " that 1 lb. of water by filtration , no ...
... retentive 66 soil , which is saturated with water of attraction , is dis- " charged by evaporation , it lowers the temperature of " that soil 10 ° . If the soil has the means of discharging " that 1 lb. of water by filtration , no ...
Página 37
... retentive ones only acquire " them by drainage . " Drained land , being more open to atmospheric circula- tion , and having lost the water which prevented the tem- perature of its lower portions from being so readily affected by the ...
... retentive ones only acquire " them by drainage . " Drained land , being more open to atmospheric circula- tion , and having lost the water which prevented the tem- perature of its lower portions from being so readily affected by the ...
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