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This article in AJ

  1. Vol. 53 No. 1, p. 15-17

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Root Development of Potatoes1

  1. H. C. De Roo and
  2. P. E. Waggoner2



Root penetration of potatoes was inhibited at plow depth by the hardpan which was induced by normal tillage. A complete shattering of this pan favored a deep and well-developed root system. In fine sandy loam, compaction by traffic in the spray-wheel furrow also restricted horizontal root development.

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