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This article in AJ

  1. Vol. 58 No. 1, p. 69-72
     
    Received: May 15, 1965
    Published: Jan, 1966


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doi:10.2134/agronj1966.00021962005800010023x

Emergence of Corn in Relation to Soil Oxygen Diffusion Rates1

  1. R. W. Wengel2

Abstract

Abstract

Percent emergence of corn from soil was related to soil oxygen diffusion rates in an exponential manner. A “critical” diffusion rate range of 20–25 ✕ 10−8 g O2 cm−2 min−1 was indicated. Oxygen concentrations in the soil atmosphere may have been a factor affecting emergence independent of the oxygen supply based on plantinum electrode measurements.

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