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Agronomy Journal Abstract -

Pans in the Southern Great Plains Soils. II. Effect of Duration of Radial Root Restriction on Cotton Growth and Yield1


This article in AJ

  1. Vol. 56 No. 3, p. 313-315
    Received: Sept 23, 1963

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  1. A. C. Mathers and
  2. N. H. Welch2



A restriction of 0.79 cm. or less for a period of 2 weeks or more on cotton roots reduced lint yield. All plants restricted to 0.32 cm. for 6 weeks or more died. Many plants died when restricted to 0.32 cm. for 4 weeks or' 0.48 cm. for 6 weeks, and the lint yield was very low on the plants that remained. Plant height was reduced by 0.32- and 0.48-cm. restrictions of 4 weeks or more duration. On plants that were not killed, the part of the plant where the clamp was removed grew larger than was normal on check plants.

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