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Abstract

 

This article in SSSAJ

  1. Vol. 33 No. 3, p. 458-459
     
    Received: Sept 25, 1968
    Accepted: Feb 24, 1969


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doi:10.2136/sssaj1969.03615995003300030034x

Variation in Content of Microelements in Yellow Birch Foliage Due to Season and Soil Drainage1

  1. M. C. Hoyle2

Abstract

Abstract

The levels of foliar Al, Mn, Zn, Cu, and B were determined in yellow birch (Betula alleghaniensis Britton) trees growing on well-drained and poorly drained till soils. The data suggested general trends in foliar nutrient levels during the growing season. Concentrations of the five microelements usually decreased early in the season then leveled off or increased. Mn and B on well-drained soil did not show the early season decline. Total content of each microelement usually increased with time, though rates varied. Microelement uptake was comparable on both soils for Cu and B; whereas significantly higher levels of Al, Mn, and Zn were reached on poorly drained soil. Excessive amounts of foliar Mn in yellow birch may indicate toxic levels.

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