MICRONUTRIENT STATUS OF GOLDEN DELICIOUS ORCHARDS IN IRELAND

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作者
MORGAN, MA
HENNERTY, MJ
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S8 [畜牧、 动物医学、狩猎、蚕、蜂];
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0905 ;
摘要
Foliage from 25 ''Golden Delicious'' [apple] orchards was analyzed for B, Cu, Fe, Mn and Zn. None of the nutrients was present in excessive quantities and the concentrations of B, Cu and Fe were satisfactory. A general problem of low levels of Zn was found (at least 80% of all samples) while a small proportion of samples was low in Mn. Relevant orchards were classified as marginal in these nutrients. The most likely cause of the Zn condition was excess application of P fertilizers.
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页码:55 / 59
页数:5
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