Use of organic amendments in table grape: effect on plant root system and soil quality indicators

Abstract The application of different organic matter sources as soil amendments is a common practice to stimulate root development and soil quality to improve crop yield and quality. For evaluating the effect of organic amendments on soil quality indicators and agronomic variables in table grape (Vi...

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Autores principales:	Martínez,M. Mercedes, Ortega,Rodrigo, Janssens,Marc, Fincheira,Paola
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2018
Materias:	Compost humic substances root density enzymatic activity soil quality indicators
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000100100
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spelling	oai:scielo:S0718-951620180001001002018-11-21Use of organic amendments in table grape: effect on plant root system and soil quality indicatorsMartínez,M. MercedesOrtega,RodrigoJanssens,MarcFincheira,Paola Compost humic substances root density enzymatic activity soil quality indicators Abstract The application of different organic matter sources as soil amendments is a common practice to stimulate root development and soil quality to improve crop yield and quality. For evaluating the effect of organic amendments on soil quality indicators and agronomic variables in table grape (Vitis vitifera) var Thompson seedless, different treatments including compost from grape pomace, humic extract, microbial inoculant, and chemical NPK fertilization, were evaluated in a pot experiment using an Inceptisol soil. Organic materials were applied in four C rates: compost, 0, 125, 250 y 500 g C pot-1; humic extract, 0, 25, 50 and 100 g C pot-1; compost and humic extract at their maximum C rates were also evaluated in absence of chemical fertilization, and microbial inoculant as bio-stimulant. Results showed a stronger root development in plants with compost and inoculant application. Furthermore, organic matter mineralization increased nutrient availability; this was evidenced by an increment of enzymatic activities, particularly β-glucosidase, acid phosphatase, and alkaline phosphatase, in all treatments receiving compost. On the other hand, the application of humic extract produced a larger increment in WSC per carbon unit applied compared to compost, meaning that the former would be more efficient than the latter to provide C for soil microorganisms. This study showed that the joint application of compost, mineral fertilizer, and microbial inoculant should be considered to improve root development in Table grape (Vitis vinifera L.) and soil quality, under Integrated Nutrient Management (INM) programs.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.1 20182018-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000100100en10.4067/S0718-95162018005000501
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Compost humic substances root density enzymatic activity soil quality indicators
spellingShingle	Compost humic substances root density enzymatic activity soil quality indicators Martínez,M. Mercedes Ortega,Rodrigo Janssens,Marc Fincheira,Paola Use of organic amendments in table grape: effect on plant root system and soil quality indicators
description	Abstract The application of different organic matter sources as soil amendments is a common practice to stimulate root development and soil quality to improve crop yield and quality. For evaluating the effect of organic amendments on soil quality indicators and agronomic variables in table grape (Vitis vitifera) var Thompson seedless, different treatments including compost from grape pomace, humic extract, microbial inoculant, and chemical NPK fertilization, were evaluated in a pot experiment using an Inceptisol soil. Organic materials were applied in four C rates: compost, 0, 125, 250 y 500 g C pot-1; humic extract, 0, 25, 50 and 100 g C pot-1; compost and humic extract at their maximum C rates were also evaluated in absence of chemical fertilization, and microbial inoculant as bio-stimulant. Results showed a stronger root development in plants with compost and inoculant application. Furthermore, organic matter mineralization increased nutrient availability; this was evidenced by an increment of enzymatic activities, particularly β-glucosidase, acid phosphatase, and alkaline phosphatase, in all treatments receiving compost. On the other hand, the application of humic extract produced a larger increment in WSC per carbon unit applied compared to compost, meaning that the former would be more efficient than the latter to provide C for soil microorganisms. This study showed that the joint application of compost, mineral fertilizer, and microbial inoculant should be considered to improve root development in Table grape (Vitis vinifera L.) and soil quality, under Integrated Nutrient Management (INM) programs.
author	Martínez,M. Mercedes Ortega,Rodrigo Janssens,Marc Fincheira,Paola
author_facet	Martínez,M. Mercedes Ortega,Rodrigo Janssens,Marc Fincheira,Paola
author_sort	Martínez,M. Mercedes
title	Use of organic amendments in table grape: effect on plant root system and soil quality indicators
title_short	Use of organic amendments in table grape: effect on plant root system and soil quality indicators
title_full	Use of organic amendments in table grape: effect on plant root system and soil quality indicators
title_fullStr	Use of organic amendments in table grape: effect on plant root system and soil quality indicators
title_full_unstemmed	Use of organic amendments in table grape: effect on plant root system and soil quality indicators
title_sort	use of organic amendments in table grape: effect on plant root system and soil quality indicators
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=S0718-95162018000100100
work_keys_str_mv	AT martinezmmercedes useoforganicamendmentsintablegrapeeffectonplantrootsystemandsoilqualityindicators AT ortegarodrigo useoforganicamendmentsintablegrapeeffectonplantrootsystemandsoilqualityindicators AT janssensmarc useoforganicamendmentsintablegrapeeffectonplantrootsystemandsoilqualityindicators AT fincheirapaola useoforganicamendmentsintablegrapeeffectonplantrootsystemandsoilqualityindicators
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Use of organic amendments in table grape: effect on plant root system and soil quality indicators

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