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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Hakkı Akdeniz1, İbrahim Hosaflıoğlu2 and Sinem Zengin1
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DOI:10.17265/2161-6264/2016.04.002
Affiliation(s)
1. Field Crops Department, Agricultural Faculty, Iğdır University, Iğdır-7600, Turkey
2. Landscape Architect Department, Agricultural Faculty, Iğdır University, Iğdır-7600, Turkey
ABSTRACT
The paper aimed to study
the effects of nitrogen fertilization on the yield and some plant
characteristics of perennial ryegrass (Lolium
perenne L.). The study was conducted at Agricultural Research and
Application Center of the Faculty of Agriculture in Iğdır University in 2013.
In the experiment, eight levels of fertilizers: 0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0 and 70.0 kg N/ha per month were applied in perennial ryegrass (Lolium perenne L.) during the sixth
growing season. A randomized complete block with three replications was used as
the experimental design. Nitrogen application affected plant height, green
grass yield, plant covering rate, canopy color and turfgrass quality values of
perennial ryegrass positively. In both monthly and as the average of nitrogen
application, times of application (spring,
summer and fall) caused
the most uniform turfgrass quality and establishment. Results indicated that
although a significant impact was on the character investigated, such as the leaf
length, green grass yield, plant cover ratio, canopy color and turfgrass
quality, the doses of nitrogen
fertilizer have created close to
each other in groups. In the stand point of view of all characters, N1, N2 and
N3 were located in first
group, N4 and N5 in the
second group, N6 and N7 in the
third group, expect for control
(N0). It can be
concluded that 40.0-50.0 kg N/ha per month may be more suitable to be used in ryegrass
production in the landscape.
KEYWORDS
Ryegrass, Lolium perenne L., nitrogen fertilization, turfgrass quality.
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