 | Baldwin Latham - 1873 - 424 páginas
...promote porosity, and the effect of porosity is to make the soil dryer, warmer, and less capable of conveying extremes of temperature. It is also well...for all impurities that enter the soil accumulate. Soils which are naturally porous, from which rain rapidly disappears, are known to be the healthiest... | |
 | California. Legislature - 1875 - 534 páginas
...cities. At present, we wish to confine our attention to the drainage of farms and country seats. It is well known that a soil perfectly saturated with water,...for all impurities that enter the soil accumulate. Soils which are naturally porous, from which rain rapidly disappears, are known to be the healthiest... | |
 | Baldwin Latham - 1878 - 674 páginas
...temperature. It is also well known that u soil perfectly saturated with water, which can only part with it by evaporation, is rendered cold and unwholesome as...for all impurities that enter the soil accumulate. Soils which Healthy soils. are naturally porous, and from which rain rapidly disappears, are known... | |
 | Baldwin Latham - 1878 - 652 páginas
...promote porosity, and the effect of porosity is to make the soil "dryer, warmer, and less capable of conveying extremes of temperature. It is also well...perfectly saturated with water, which can only part with it by evaporation, is rendered cold and SUBSOIL DRAINAGE OF THE SITES OF TOWNS. 477 unwholesome as... | |
 | California. Legislature - 1875 - 1026 páginas
...cities. .At present, we wish to confine our attention to the drainage of farms and country seats. It is well known that a soil perfectly saturated with water,...for all impurities that enter the soil accumulate. Soils which are naturally porous, from •which rain rapidly disappears, are known to be the healthiest... | |
 | Henry Hudson Holly - 1863 - 432 páginas
...promote porosity, and the effect of porosity is to make the soil drier, warmer, and less capable of conveying extremes of temperature. It is also well...unwholesome as a site for human dwellings ; for all the impurities that enter the soil accumulate. Soils which are naturally porous, from which rain rapidly... | |
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... enables that soil to exert the most powerful chemical influence upon all organic compounds, so great indeed as to be capable of purifying the crudest sewage. The effect of drainage upon the soil is to promote porosity, and the effect of porosity is... 