A phosphorus nutrition study of apples on a volcanic ash soil Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/m039k771h

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  • This study was undertaken in a Red Delicious apple orchard in Oregon's Hood River Valley to determine if low leaf P concentrations were contributing to such observed, orchard disorders as poor shoot growth, shoot dieback and. small fruit size at harvest. Subsurface applications of lime and superphosphate had no effect on leaf P concentration, shoot growth and apple volume. Leaf P concentrations declined slightly (-.01% to -.02%) from 1978 to 1979 while shoot growth decreased (-6.2cm to -9.0cm) and apple volume increased (+31.12cm³ to +39.56cm³).
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  • File scanned at 300 ppi (Monochrome) using Scamax Scan+ V.1.0.32.10766 on a Scanmax 412CD by InoTec in PDF format. LuraDocument PDF Compressor V.5.8.71.50 used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2011-09-26T16:58:18Z (GMT) No. of bitstreams: 1 MAULDERRYL1980.pdf: 361295 bytes, checksum: 4a6152afe74adcbac405103cd0f8ada6 (MD5)
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