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Agronomy Journal Abstract -

Subterranean Clover (Trifolium subterraneum L.) Yield and Nutrient Content as Influenced by Soil Molybdenum Status1


This article in AJ

  1. Vol. 64 No. 3, p. 308-311
    Received: Sept 6, 1971

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  1. M. D. Dawson and
  2. H. S. Bhella2



Experiments were initiated to elucidate the effect of Mo application on subterranean clover with respect to yield and nutrient status and to examine an anion exchange resin as a means of assaying plant available Mo.

Highly significant yield and relative total N uptake of subterranean clover (Trifolium subterraneum L.) were obtained following Mo fertilization in greenhouse studies and field trials conducted on hill soils of western Oregon. Generally greatest relative yield as well as relative total N uptake from applied Mo occurred at the lower anion exchangeable soil Mo levels. There was no significant change in plant Cu concentration following Mo fertilization. However, Mo treated soils produced clover somewhat higher in Mo concentration than untreated soils. Cu concentration in clover appeared sufficiently high relative to the Mo concentration to present little chance of nutritional disorders in ruminants.

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