Group Title: ARC-A research report - Agricultural Research Center-Apopka ; RH-80-13
Title: Preliminary evaluation of leatherleaf fern yield as influenced by additions of iron and manganese
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Permanent Link: http://ufdc.ufl.edu/UF00065983/00001
 Material Information
Title: Preliminary evaluation of leatherleaf fern yield as influenced by additions of iron and manganese
Series Title: ARC-Apopka research report
Physical Description: 1 leaf : ; 28 cm.
Language: English
Creator: Conover, Charles Albert, 1934-
Poole, R. T ( Richard Turk )
Publisher: University of Florida, IFAS, Agricultural Research Center
Place of Publication: Apopka FL
Publication Date: 1980
 Subjects
Subject: Leatherleaf fern -- Growth -- Florida   ( lcsh )
Plants -- Effect of manganese on -- Florida   ( lcsh )
Plants -- Effect of iron on -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
non-fiction   ( marcgt )
 Notes
Statement of Responsibility: Charles A. Conover and Richard T. Poole.
General Note: Caption title.
 Record Information
Bibliographic ID: UF00065983
Volume ID: VID00001
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 71125806

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HISTORIC NOTE


The publications in this collection do
not reflect current scientific knowledge
or recommendations. These texts
represent the historic publishing
record of the Institute for Food and
Agricultural Sciences and should be
used only to trace the historic work of
the Institute and its staff. Current IFAS
research may be found on the
Electronic Data Information Source
(EDIS)

site maintained by the Florida
Cooperative Extension Service.






Copyright 2005, Board of Trustees, University
of Florida






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Table 1. Influence of levels of iron and manganese on number of fronds/128 ft2 of
Leatherleaf fern harvested Nov. 20, 1970, Feb. 15, May 29, and Sept. 29, 1980.


Manganese Iron (Ibs/A/yr)
(lbs/A/yr) 0 25 50 Total
0 1787 1640 1761 5188
25 2357 2165 2054 6476
50 2413 2155 2036 6604
Total 6457 5960 5851 --

Preliminary data from-this experiment indicate that yield of Leatherleaf fern is
increased by addition of manganese, but reduced by addition of iron. Plots which
received 50 pounds of manganese per acre per year (with no iron) produced approximately
565,000 fronds per 30,000 square feet per year. This study was conducted for only 1
year, thus continual application of manganese may result in phytotoxicity and reduced
yield. Based on this data, we would not suggest application of manganese at rates
higher than 50 pounds per acre the first year and after the first year, would not
suggest addition of manganese at more than 25 pounds per acre per year.

Table 2. Influence of levels of iron and manganese on percent of highest yield from
128 ft2 of Leatherleaf fern harvested lov. 20, 1979, Feb. 15, May 29, and Sept.
29, 1980.


Manganese Iron (Ibs/A/yr)
OIbs/A/yr) 0 25 50
0 74 68 73
25 98 90 85
50 100 89 84


'L, Preliminary Evaluation of Leatherleaf Fern Yield
-, as Influenced by Additions of Iron and Manganese U:F L "
Charles A. Conover and Richard T. Poole L 7 ,
University of Florida, IFAS
ARC-Apopka Research Report RH-1980-13' i -
FA.S.- Unniv. of F'
Fern beds established for 18 months were treated with various leveTsof-iron-ani
manganese sequestrenes for 1 year. Additions of iron and manganese were applied at
monthly intervals at rates that totaled 0, 25, and 50 pounds per acre per year. A
total of 500 pounds nitrogen per acre per year was supplied from an 8-8-8 granular
fertilizer applied at 3 month intervals. Fernery was maintained at 350F minimum,
during winter months.


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