A phosphorus nutrition study of apples on a volcanic ash soil

Graduate Thesis Or Dissertation

Public Deposited

Citeable URL: https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/m039k771h

Descriptions

Attribute Name	Values
Creator	Maul, Jerry Lee
Abstract	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).
Resource Type	Masters Thesis
Date Available	2011-09-26T16:58:18+00:00
Date Issued	1980-02-25
Degree Level	Master's
Degree Name	Master of Science (M.S.)
Degree Field	Horticulture
Degree Grantor	Oregon State University
Commencement Year	1980
Advisor	Stebbins, Robert L.
Academic Affiliation	Horticulture
Non-Academic Affiliation	Oregon State University. Graduate School
Subject	Volcanic ash, tuff, etc Apples
Rights Statement	Copyright Not Evaluated
Publisher	Oregon State University
Peer Reviewed	No
Language	English [eng]
Digitization Specifications	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.
Replaces	http://hdl.handle.net/1957/23562

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