Draining for Profit, and Draining for HealthOrange Judd Company, 1884 - 252 páginas |
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Página 5
... Heavy lands should not be tram- pled while wet . CHAPTER VI . - WHAT DRAINING COSTS . Draining , expensive work . - Permanence and lasting effects . - Cheap- ness versus economy . - Details of cost . ( 1. Engineering and Su ...
... Heavy lands should not be tram- pled while wet . CHAPTER VI . - WHAT DRAINING COSTS . Draining , expensive work . - Permanence and lasting effects . - Cheap- ness versus economy . - Details of cost . ( 1. Engineering and Su ...
Página 7
... heavy rains , require draining . Of course , the particles of the soil cannot be made drv nor should they be ; but , although they should be moist themselves , they should be surrounded with air , not with water . To illustrate this ...
... heavy rains , require draining . Of course , the particles of the soil cannot be made drv nor should they be ; but , although they should be moist themselves , they should be surrounded with air , not with water . To illustrate this ...
Página 8
... heavy clay soils on po- rous and well drained subsoils . Money expended in drain- ing such lands as do not require the operation is , of course , wasted ; and when there is doubt as to the requirement , * Puddling is the kneading or ...
... heavy clay soils on po- rous and well drained subsoils . Money expended in drain- ing such lands as do not require the operation is , of course , wasted ; and when there is doubt as to the requirement , * Puddling is the kneading or ...
Página 9
... heavy rains stands for some time on the surface , or if water collects in the furrow while plowing . draining is necessary to bring the land to its full fertility . Other indications may be observed in dry weather ; -wide cracks in the ...
... heavy rains stands for some time on the surface , or if water collects in the furrow while plowing . draining is necessary to bring the land to its full fertility . Other indications may be observed in dry weather ; -wide cracks in the ...
Página 15
... heavy soils , shrinking by drought , is attended by the tearing asunder of the smal- ler roots which may have penetrated them . The Injurious Effects of Standing Water in the Sub- soil may be best explained in connection with the de ...
... heavy soils , shrinking by drought , is attended by the tearing asunder of the smal- ler roots which may have penetrated them . The Injurious Effects of Standing Water in the Sub- soil may be best explained in connection with the de ...
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
3-inch tile acre agricultural allow basin bottom brick bushels carried cause Central Park cents 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 spade spring stakes steepest descent stone subsoil sufficient surface tide tile-draining tile-laying tion typhoid fever undrained upper end whole width