. Carnegie Institution of Washington publication. Investigations at Peru, Nebraska. 19 eter of the younger portions was somewhat greater, due to their greater succulency. The mature root system of barley was studied on June 28, when the plants were 84 days old. The crop was from 2 to feet high and each plant had 2 to 3 stalks bearing heads. The crop was ripening rapidly and was harvested 5 days later. It yielded grain of good quahty at the rate of bushels per acre. The shallower portion of the root system was practically the. Fig. 6.—A. Manchuria barley 20 days old; B. 54 days old sam
. Carnegie Institution of Washington publication. Investigations at Peru, Nebraska. 19 eter of the younger portions was somewhat greater, due to their greater succulency. The mature root system of barley was studied on June 28, when the plants were 84 days old. The crop was from 2 to feet high and each plant had 2 to 3 stalks bearing heads. The crop was ripening rapidly and was harvested 5 days later. It yielded grain of good quahty at the rate of bushels per acre. The shallower portion of the root system was practically the. Fig. 6.—A. Manchuria barley 20 days old; B. 54 days old same as at the time of the second examination on May 29. The greater part of it originated from the stalk above the old shrunken kernel and spread out horizontally at a depth of 2 to 10 inches below the soil surface. These roots varied from to feet in length. They were rebranched only to a moderate degree. The primary roots that took their origin from the hypocotyl constituted the part which penetrated deeper. However, there were some exceptions. Occasionally a root which had developed later from the node on the stem. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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