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This article in AJ

  1. Vol. 53 No. 5, p. 335-338

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Placement of Fertilizer in Relation to Soil Moisture Supply1

  1. Harold V. Eck and
  2. Carl Fanning2



Phosphorus uptake by grain sorghum decreased with decreasing moisture content of the fertilizer zone and became inconsequential when the soil reached the vicinity of wilting point. Nitrogen uptake was less sensitive. It continued after phosphorus uptake ceased.

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