. Development and activities of roots of crop plants; a study in crop ecology. Roots (Botany); Plant ecology; Crops and climate. Investigations at Lincoln, Nebraska. 53 the longer ones had a few secondary laterals, mostly less than inch long. On smaller plants nearly all of the laterals were less than inch in length and extended out in a more or less horizontal direction or turned somewhat obliquely downward. On all roots the 2 to 4 inches nearest the tip were glistening white and unbranched. Nodules were abundant. A third examination of the root development was made July 24 on both up
. Development and activities of roots of crop plants; a study in crop ecology. Roots (Botany); Plant ecology; Crops and climate. Investigations at Lincoln, Nebraska. 53 the longer ones had a few secondary laterals, mostly less than inch long. On smaller plants nearly all of the laterals were less than inch in length and extended out in a more or less horizontal direction or turned somewhat obliquely downward. On all roots the 2 to 4 inches nearest the tip were glistening white and unbranched. Nodules were abundant. A third examination of the root development was made July 24 on both upland and lowland areas. The plants were 115 and 106 days old respec-. Fig. 24.—A. Alfalfa 63 days old. B. Sweet clover 63 days old. tively. Those in the upland area averaged feet in height, the tallest reach- ing feet. They had developed normally in every way, but were somewhat affected by "white ; On the lowland the crop averaged feet high, the tallest plants reaching 2 feet. It has already been pointed out (p. 45) that June was a very favorable month for growth. Excellent growth con-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Weaver, John E. (John Ernest), 1884-1966; Jean, Frank Covert, 1880- joint author; Crist, John W. , joint author. Washington, Carnegie Institution of Washington
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectcropsan, bookyear1922
