Influence of fertilization on nutrient status and size of bare-root Pinus taeda L. seedlings /

after one growing season for the aforementioned plus tissue

Bibliographic Details
Main Author: Wall, Margot Marie, 1960-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:after one growing season for the aforementioned plus tissue
already in place. Manipulation of seedlings by fine-
compartment 4 and 7a showed that 7a seedlings had higher
compartment 7a.The results of this study indicate that
concentrations of N, P, Y, Ca, and Mg.
concentrations, P foliar concentrations, and K stem and
dress magnesium. Nitrogen was supplied as ammonium
effects of constant versus increasing applications of
effort was made to evaluate the influence of different
fertilizer was included in this study. In addition, an
for shoot length, root length, and stem diameter, and again
higher K stem and Mg root concentrations. Applications
higher N concentrations in foliage and stem tissue.
higher needle to stem and needle to root weight, and
Increasing applications of N resulted in significantly
inns taeda L.) seedlings. Morphological traits as well as
K. Comparison between top-dress applications of N in
minor changes in nursery practices that are currently
moisture management, result in optimum seedling growth.
N had no effect on the seedlings except for mean
needle:stem weight. Top-dress applications of Mg had no
nitrate(NH,N03) and magnesium as magnesium
nutritional status were measured. A comparison of the
of N in compartment 7a increased mean needle weight, N
one growing season showed that pre-plant applications of
over the short growing period. Sampling performed after
probably due to heavier soil that caused loss of roots
production of quality seedlings can be enhanced through
rate significantly increased concentrations of N, Mg, and
ratios were increased. Tissue concentrations of N and P
results, perhaps due to lack of tissue differentiation
root concentrations. Application of N at an increasing
Seedlings grown in a southern forest nursery were fertilized
significant effect on seedling morphology, but did
significantly increase Mg and N foliage concentrations.
stem caliper, shoot length, stem weight, and needle
sulfate(MgSO,*7H20)' Seedlings were evaluated after ten weeks
Ten week analysis showed no statistically significant
The purpose of this study was to evaluate the influence of
Top-dress N application in compartment 4 resulted in
treatment histories on two separate nursery compartments.
tuning fertility levels can, in combination with existing
upon lifting. As a result, needle:root and shoot:root
varying types and amounts of fertilizer on loblolly pine (
weight. Lower root measures in compartment 7a were
were significantly higher for compartment 4 seedlings,
whereas K and Mg concentrations were higher for
with either pre-plant nitrogen, top-dress nitrogen or top-
Item Description:"Major subject: Forestry".
Vita.
Physical Description:x, 98 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.