Boron deficiency inPinus radiata D. Don and the effect of applied boron on height growth and nutrient uptake |
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Authors: | Hopmans P. Flinn D. W. |
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Affiliation: | (1) Forests Commission Victoria, GPO Box 4018, 3001 Melbourne, Australia |
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Abstract: | Summary Severe dieback observed inP. radiata D. Don plantations during dry years in Southeastern Australia was found to be due to boron deficiency. Borax applied in spring (August 1982) at rates of 50, 100 and 150 kg ha–1 resulted in a marked increase in foliar B and an alleviation of B deficiency symptoms. During the dry summer following the application of borax no further dieback was observed and height growth of fertilized trees was significantly improved. Correction of B deficiency enhanced the uptake of P by the trees. |
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Keywords: | Boron Fertilizer Height growth Nutrient deficiency Pinus radiata |
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