GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION

Nitrogen, in general, is the largest limiting plant growth nutrient in the tropics and is required as a synthetic fertilizer to improve plants productivity. Therefore, studies aiming in understanding and using nitrogen fixation by leguminous trees have been done as a low-cost alternative for chemica...

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Autores principales:	Maia,Julio, Scotti,Maria Rita
Lenguaje:	English
Publicado:	Sociedad Chilena de la Ciencia del Suelo 2010
Materias:	nitrogen fertilizer symbiotic efficiency
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912010000200005
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spelling	oai:scielo:S0718-279120100002000052010-07-12GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATIONMaia,JulioScotti,Maria Rita nitrogen fertilizer symbiotic efficiency Nitrogen, in general, is the largest limiting plant growth nutrient in the tropics and is required as a synthetic fertilizer to improve plants productivity. Therefore, studies aiming in understanding and using nitrogen fixation by leguminous trees have been done as a low-cost alternative for chemical fertilizer. Native legume trees such as Inga vera have been recommended in the rehabilitation of degraded areas due their ability to establish symbiosis with nitrogen fixation organisms replacing nitrogen fertilization. These species are able to increase soil organic matter, nitrogen and phosphorus availability. Thus, the present study aims to assess the inoculation effects of native rhizobia strains on nodulation, dry matter production, nitrogen and phosphorus leaf incorporation in I. vera seedlings. With this purpose, four strains were obtained from inga nodules and tested in a greenhouse. The inoculation of I, vera seedlings with native rhizobium strains promoted an increase in shoot dry mass as well as in leaf nitrogen content. According to symbiotic efficiency equation, this approach ranged from 50 to 80% indicating that the nitrogen fertilization for this species can be partially replaced by rhizobia inoculation.info:eu-repo/semantics/openAccessSociedad Chilena de la Ciencia del SueloRevista de la ciencia del suelo y nutrición vegetal v.10 n.2 20102010-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912010000200005en10.4067/S0718-27912010000200005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	nitrogen fertilizer symbiotic efficiency
spellingShingle	nitrogen fertilizer symbiotic efficiency Maia,Julio Scotti,Maria Rita GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
description	Nitrogen, in general, is the largest limiting plant growth nutrient in the tropics and is required as a synthetic fertilizer to improve plants productivity. Therefore, studies aiming in understanding and using nitrogen fixation by leguminous trees have been done as a low-cost alternative for chemical fertilizer. Native legume trees such as Inga vera have been recommended in the rehabilitation of degraded areas due their ability to establish symbiosis with nitrogen fixation organisms replacing nitrogen fertilization. These species are able to increase soil organic matter, nitrogen and phosphorus availability. Thus, the present study aims to assess the inoculation effects of native rhizobia strains on nodulation, dry matter production, nitrogen and phosphorus leaf incorporation in I. vera seedlings. With this purpose, four strains were obtained from inga nodules and tested in a greenhouse. The inoculation of I, vera seedlings with native rhizobium strains promoted an increase in shoot dry mass as well as in leaf nitrogen content. According to symbiotic efficiency equation, this approach ranged from 50 to 80% indicating that the nitrogen fertilization for this species can be partially replaced by rhizobia inoculation.
author	Maia,Julio Scotti,Maria Rita
author_facet	Maia,Julio Scotti,Maria Rita
author_sort	Maia,Julio
title	GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
title_short	GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
title_full	GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
title_fullStr	GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
title_full_unstemmed	GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION
title_sort	growth of inga vera willd. subsp. affinis under rizobia inoculation
publisher	Sociedad Chilena de la Ciencia del Suelo
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-27912010000200005
work_keys_str_mv	AT maiajulio growthofingaverawilldsubspaffinisunderrizobiainoculation AT scottimariarita growthofingaverawilldsubspaffinisunderrizobiainoculation
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GROWTH OF Inga vera WILLD. SUBSP. Affinis UNDER RIZOBIA INOCULATION

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