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The nature of the corn=plant is such that it draws the greatest amount of nourishment from the soil remote from the hill. In bestowing my attention to the corn-plant I find the [[strikethrough]] centre [[/strikethrough]] centre, or tap roots ceases to afford nourishment to the plant after six weeks old, when the growth is sustained (as far as vegetables & mineral elements are concerned) from roots extending far away from the hills & beyond the possibility of assimilating any great amount of the manure placed at or immediately surrounding the plant. Hence the sudden transition from bounteous supply of [[end page]] [[start page]] nutriment afforded by the tap-root to a meagre supply by the horrizontal roots in the adjacent impoverished soil, [[strikethrough]] after [[/strikethrough]] affects materially the vigor of the plant at a time when it requires the greatest assistance is a fair growth of stalk & a light yield of corn Patent [[encircled]] 220 [[/encircled]] 1852-3