Nutrient deficiencies in apple plants (Pyrus malus L.)

A trial was carried out with one year old 'Ohio Beauty apples (grafted on 'Doucin'), grown on sand cu1ture, receining nutrient solutions lacking the following nutrients at the time: N, P, K, Ca, Mg, S, and B. The main conclusions are as follows: as the adequate and inadequate levels f...

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Bibliographic Details
Published in:Anais da Escola Superior de Agricultura Luiz de Queiroz 1981, Vol.38 (1), p.377-386
Main Authors: Haag, H.P., Trani, P.E., Sarruge, J.R., Dechen, A.R.
Format: Article
Language:eng ; por
Subjects:
AGRICULTURE, MULTIDISCIPLINARY
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Summary:A trial was carried out with one year old 'Ohio Beauty apples (grafted on 'Doucin'), grown on sand cu1ture, receining nutrient solutions lacking the following nutrients at the time: N, P, K, Ca, Mg, S, and B. The main conclusions are as follows: as the adequate and inadequate levels from leaf analysis were, respectively: N -2.22 and 1.53%, P - 0,17 and 0.05%, K - 1.32 and 0.33%; Ca -0.9.4 and 0.52%, Mg - 0.37 and 0.06%; S -0.18 and 0.08%; B -62 and 2k ppm.
ISSN:2316-8935
DOI:10.1590/S0071-12761981000100032