About: Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions

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About: Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nitrogen deposition affect fine-root dynamics, a key factor in forest carbon and nutrient dynamics. This study aimed to elucidate the effects of increased soil inorganic nitrogen (N) levels on the fine-root dynamics of Cryptomeria japonica, which is tolerant to excess N load. An ammonium nitrate solution (28 kg ha(-1) month(-1)) was applied for 3 years to plots (1 m x 2 m) in a C. japonica plantation. The elongation and disappearance of the fine roots were examined using the minirhizotron technique. The N fertilization increased soil inorganic N content and lowered the soil pH. Fine-root elongation rates increased with fertilization, whereas patterns of their seasonal changes were not affected. The ratio of cumulative disappearance to cumulative elongation of fine roots was lower in the N-fertilized plots than in the control plots. The mean diameter of the fine roots was not affected by N fertilization. Our results suggest that C. japonica can respond to increased levels of soil inorganic N by Nitrogen deposition affect fine-root dynamics, a key factor in forest carbon and nutrient dynamics. This study aimed to elucidate the effects of increased soil inorganic nitrogen (N) levels on the fine-root dynamics of Cryptomeria japonica, which is tolerant to excess N load. An ammonium nitrate solution (28 kg ha(-1) month(-1)) was applied for 3 years to plots (1 m x 2 m) in a C. japonica plantation. The elongation and disappearance of the fine roots were examined using the minirhizotron technique. The N fertilization increased soil inorganic N content and lowered the soil pH. Fine-root elongation rates increased with fertilization, whereas patterns of their seasonal changes were not affected. The ratio of cumulative disappearance to cumulative elongation of fine roots was lower in the N-fertilized plots than in the control plots. The mean diameter of the fine roots was not affected by N fertilization. Our results suggest that C. japonica can respond to increased levels of soil inorganic N by (en)
Title	Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions (en)
skos:prefLabel	Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions Fine-root dynamics in sugi (Cryptomeria japonica) under manipulated soil nitrogen conditions (en)
skos:notation	RIV/60460709:41320/13:61804!RIV14-MSM-41320___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Konopka, Bohdan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká zemědělská univerzita v Praze / Fakulta lesnická a dřevařská
http://linked.open...dnocenehoVysledku	75115
http://linked.open...ai/riv/idVysledku	RIV/60460709:41320/13:61804
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Diameter, Disappearance, Elongation, Fertilization, Minirhizotron, Seasonal Change (en)
http://linked.open.../riv/klicoveSlovo	Fertilization Diameter Disappearance Minirhizotron Seasonal Change Elongation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[4F4CB8488C3A]
http://linked.open...i/riv/nazevZdroje	Plant and Soil
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	364
http://linked.open...iv/tvurceVysledku	Konopka, Bohdan Kaneko, Shinji Nagakura, Junko Noguchi, Kyotaro Sakata, Tadashi Takahashi, Masamichi
http://linked.open...ain/vavai/riv/wos	000314722800014
issn	0032-079X
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	41320

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