Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars

Abstract: Soil amendment using organic fertilizer has been used widely to dispose animal waste, reduce environmental pollution and improve soil and fruit quality. The objective of this two-year study was to assess the influence of organic and conventional systems on growth, marketable yield, head qu...

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Autores principales:	Leskovar,Daniel, Othman,Yahia A.
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2018
Materias:	Cynara cardunculus chlorogenic acid cynarin photosynthesis stomatal conductance
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000300865
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spelling	oai:scielo:S0718-951620180003008652019-01-09Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivarsLeskovar,DanielOthman,Yahia A. Cynara cardunculus chlorogenic acid cynarin photosynthesis stomatal conductance Abstract: Soil amendment using organic fertilizer has been used widely to dispose animal waste, reduce environmental pollution and improve soil and fruit quality. The objective of this two-year study was to assess the influence of organic and conventional systems on growth, marketable yield, head quality (chlorogenic acid and cynarin concentration) and soil chemical properties of globe artichoke (Cynara cardunculus). Cultivars used were Deserto, Lulu, Romolo, 11-018, 12-179, Green Globe Improved and Imperial Star. Fertilizers were applied to both conventional and organic soil through drip irrigation system. In both years, significant differences were found across cultivars and soil type. Although cultivar response to soil system treatments were inconsistent across the two growing seasons, the cv. Imperial Star had the lowest marketable yield and head quality. Artichoke grown in the conventional field had higher plant height and width, chlorophyll content index (SPAD), leaf area index (LAI), stomatal conductance (gs), photosynthesis (Pn) and marketable yield. Conversely, artichoke head quality from the organic field was higher than conventional. Organic system increased chlorogenic acid by 31% and cynarin by 12% compared to the conventional system. In fact, after two years of soil amendment, organic fertilizer improved soil respiration-CO2 (soil health indicator) by 20-fold compared to chemical fertilizer (conventional field). Overall, based on this two-year study we suggest organic farming as the best system to improve soil and head quality of globe artichoke, but it may not be the best option for farmers when yield is the primary target short-term.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.18 n.3 20182018-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000300865en10.4067/S0718-95162018005002502
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Cynara cardunculus chlorogenic acid cynarin photosynthesis stomatal conductance
spellingShingle	Cynara cardunculus chlorogenic acid cynarin photosynthesis stomatal conductance Leskovar,Daniel Othman,Yahia A. Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
description	Abstract: Soil amendment using organic fertilizer has been used widely to dispose animal waste, reduce environmental pollution and improve soil and fruit quality. The objective of this two-year study was to assess the influence of organic and conventional systems on growth, marketable yield, head quality (chlorogenic acid and cynarin concentration) and soil chemical properties of globe artichoke (Cynara cardunculus). Cultivars used were Deserto, Lulu, Romolo, 11-018, 12-179, Green Globe Improved and Imperial Star. Fertilizers were applied to both conventional and organic soil through drip irrigation system. In both years, significant differences were found across cultivars and soil type. Although cultivar response to soil system treatments were inconsistent across the two growing seasons, the cv. Imperial Star had the lowest marketable yield and head quality. Artichoke grown in the conventional field had higher plant height and width, chlorophyll content index (SPAD), leaf area index (LAI), stomatal conductance (gs), photosynthesis (Pn) and marketable yield. Conversely, artichoke head quality from the organic field was higher than conventional. Organic system increased chlorogenic acid by 31% and cynarin by 12% compared to the conventional system. In fact, after two years of soil amendment, organic fertilizer improved soil respiration-CO2 (soil health indicator) by 20-fold compared to chemical fertilizer (conventional field). Overall, based on this two-year study we suggest organic farming as the best system to improve soil and head quality of globe artichoke, but it may not be the best option for farmers when yield is the primary target short-term.
author	Leskovar,Daniel Othman,Yahia A.
author_facet	Leskovar,Daniel Othman,Yahia A.
author_sort	Leskovar,Daniel
title	Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
title_short	Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
title_full	Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
title_fullStr	Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
title_full_unstemmed	Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
title_sort	organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000300865
work_keys_str_mv	AT leskovardaniel organicandconventionalfarmingdifferentiallyinfluencedsoilrespirationphysiologygrowthandheadqualityofartichokecultivars AT othmanyahiaa organicandconventionalfarmingdifferentiallyinfluencedsoilrespirationphysiologygrowthandheadqualityofartichokecultivars
_version_	1714206587032174592

Organic and conventional farming differentially influenced soil respiration, physiology, growth and head quality of artichoke cultivars

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