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Abstract

 

This article in AJ

  1. Vol. 57 No. 3, p. 253-258
     
    Received: Aug 15, 1964


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doi:10.2134/agronj1965.00021962005700030009x

Influence of Soil Aeration on the Growth and Chemical Composition of Three Grass Species1

  1. D. V. Waddington and
  2. J. H. Baker2

Synopsis

Synopsis

Three grass species were grown in soil in which oxygen diffusion rates were varied by changing soil moisture tension and oxygen concentration. Root growth of Merion Kentucky bluegrass was greatly reduced or stopped in soil where oxygen diffusion rates were less than 5 to 9 ✕ lO−8g./cm.2/min. Penncross creeping bentgrass and goosegrass roots grew well at rates below 5 ✕ 10−8 g./cm.2Vmin. Nutrient accumulation was not appreciably decreased at low oxygen diffusion treatments.

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