. Nature study and agriculture. Nature study; Agriculture. WEEDS 171 at its base and bears on the side a blackish, twisted, and bent awn about an inch long. It is of light weight, shells easily, may lie in the ground many years and retain its vitality, and will germinate though buried to a depth of three or four inches. These attributes account for its rapid spread in a field after it once becomes established, and make it one of the worst weeds with which farmers have to contend. 21. Quack Grass: Couch Grass.—This is one of the wheat grasses and it is hard for one who is not familiar with. Ple
. Nature study and agriculture. Nature study; Agriculture. WEEDS 171 at its base and bears on the side a blackish, twisted, and bent awn about an inch long. It is of light weight, shells easily, may lie in the ground many years and retain its vitality, and will germinate though buried to a depth of three or four inches. These attributes account for its rapid spread in a field after it once becomes established, and make it one of the worst weeds with which farmers have to contend. 21. Quack Grass: Couch Grass.—This is one of the wheat grasses and it is hard for one who is not familiar with. 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 Schmidt, Charles Christian, 1859-. Boston, New York [etc. ] D. C. Heath & Co
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear
