. Soil physics and management. ^•^IT^. Fig. 122.—Basin or check s^-^tera of irrigiitiiis i^rvh:»i\i*. IMnoiples of 1? :-,ouoe, Widtsoe. ^Courtesy Maciuillau Company-.) flooding the entire area. This requires that the land shall be prac-tically flat and the soil one that does not erode badly nor bakeupon drying. Heavy soils are best adapted to this method, so thatwhen the large volume of water is turned on the soil will not the volume of water is tiX> small it will sink into the soil before itreadies the other side of the field. Alfalfa, pastuiv and n^ieadowland and wheat and other s
. Soil physics and management. ^•^IT^. Fig. 122.—Basin or check s^-^tera of irrigiitiiis i^rvh:»i\i*. IMnoiples of 1? :-,ouoe, Widtsoe. ^Courtesy Maciuillau Company-.) flooding the entire area. This requires that the land shall be prac-tically flat and the soil one that does not erode badly nor bakeupon drying. Heavy soils are best adapted to this method, so thatwhen the large volume of water is turned on the soil will not the volume of water is tiX> small it will sink into the soil before itreadies the other side of the field. Alfalfa, pastuiv and n^ieadowland and wheat and other small grains may be successfully irrigatedin this way. Tliree principal modifications of this method areflootling closed tields. flooding oiku fields and basin fiiXHling. Thec^osed-feJd flooding or cheek flooding, as it is sometimes called, is IRRIGATION 271 where a levee or dike is built around tlic field and into wliicli tiiewater is turned and left till it is all absorbed. Jhis is a commonpractice in China aJid Japan. In open fie
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1917
