. Elementary principles of agriculture : a text book for the common schools. Agriculture. 50 Elementary Principles of Agriculture illustrates the appearance of the roots of a corn plant at silking time. 81. Shall Crops be Tilled Deep or Shallow? It is im- portant that we know the distribution of the roots in the soils that are cultivated with plows; otherwise we might plow too deep and destroy many roots. At one of the agricultural experiment stations it was found that thirty days after planting corn, at the second. Fig. 32. The root development of a corn plant just beginning to tassel. From P
. Elementary principles of agriculture : a text book for the common schools. Agriculture. 50 Elementary Principles of Agriculture illustrates the appearance of the roots of a corn plant at silking time. 81. Shall Crops be Tilled Deep or Shallow? It is im- portant that we know the distribution of the roots in the soils that are cultivated with plows; otherwise we might plow too deep and destroy many roots. At one of the agricultural experiment stations it was found that thirty days after planting corn, at the second. Fig. 32. The root development of a corn plant just beginning to tassel. From Photo made at Agricultural Experiment Station, University of Illinois. cultivation, the roots from the adjacent hills (three feet apart) had already met. A few roots had reached a depth of twelve inches, but the bulk of the roots were within eight inches of the surface. Six inches from the hill, the main roots were within two or three inches of the surface. Midway between the drills they lay within four inches of the surface. Deep plowing at this time with shovel-pointed plows would certainly have injured many 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 Ferguson, A. M. (Alexander McGowen), 1874-; Lewis, Lowery Laymon, 1869-. Chicago, Ill. : Ferguson Publishing Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
