. The gardener's assistant; a practical and scientific exposition of the art of gardening in all its branches. Fig. 804. Fig. 805 also represents porous subsoil, inwhich the water is confined by layers of clay,except when it forces passages, or springs, from. its pressure, through the upper layer, as atA, B, C. In some clay soils a bed of sand or gravel,completely saturated with water, occurs at thedepth of a few feet below the surface, withwhich it has corresponding undulations; butin places where its water is subjected to thegreatest pressure, and the stratum of clayabove it offers the least
. The gardener's assistant; a practical and scientific exposition of the art of gardening in all its branches. Fig. 804. Fig. 805 also represents porous subsoil, inwhich the water is confined by layers of clay,except when it forces passages, or springs, from. its pressure, through the upper layer, as atA, B, C. In some clay soils a bed of sand or gravel,completely saturated with water, occurs at thedepth of a few feet below the surface, withwhich it has corresponding undulations; butin places where its water is subjected to thegreatest pressure, and the stratum of clayabove it offers the least resistance, springs from
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Keywords: ., bookcentury1900, booksubjectgardening, booksubjecthorticulture
