Humic acids from vermicompost positively influence the nutrient uptake in mangosteen seedlings1

ABSTRACT The application of growth promoting substances, such as humic acids, during the formation of fruit seedlings can benefit growth and increase the plant nutrient uptake and translocation. This study aimed to evaluate the effect of the application of humic acid doses (0 mg L-1, 2 mg L-1, 20 mg...

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Veröffentlicht in:Pesquisa agropecuária tropical 2019, Vol.49
Hauptverfasser: Gomes Júnior, Gedeon Almeida, Pereira, Rafaela Alves, Sodré, George Andrade, Gross, Eduardo
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description ABSTRACT The application of growth promoting substances, such as humic acids, during the formation of fruit seedlings can benefit growth and increase the plant nutrient uptake and translocation. This study aimed to evaluate the effect of the application of humic acid doses (0 mg L-1, 2 mg L-1, 20 mg L-1, 40 mg L-1 and 200 mg L-1) extracted from vermicompost of sugarcane filter cake on the nutrient uptake of seminal mangosteen (Garcinia mangostana L.) seedlings. The experimental design was completely randomized, with 7 replicates for each treatment. The application of humic acids promoted curvilinear increments with quadratic rates for N, P, K, Ca, Mg and S contents from shoots and roots, as well as quadratic increments in the Zn and Mn uptake by shoots. The application of humic acids increased the chlorophyll a and chlorophyll b contents and reduced the carotenoid content. Overall, the regression analysis demonstrated that a dose of 150 mg L-1 is capable of providing the most adequate nutrient uptake by plants, and should be recommended for the production of mangosteen seedlings. Humic acids from vermicompost can provide a better nutrition in mangosteen seedlings at the nursery stage. RESUMO A aplicação de substâncias promotoras de crescimento, a exemplo dos ácidos húmicos, no desenvolvimento de mudas frutíferas pode beneficiar o crescimento e potencializar a absorção e translocação de nutrientes na planta. Objetivou-se avaliar o efeito da aplicação de doses de ácidos húmicos (0 mg L-1; 2 mg L-1; 20 mg L-1; 40 mg L-1; 200 mg L-1) extraídos de vermicomposto de torta de filtro de cana-de-açúcar na absorção de nutrientes de mudas seminais de mangostanzeiro (Garcinia mangostana L.). O delineamento experimental foi inteiramente casualizado, com 7 repetições para cada tratamento. A aplicação dos ácidos húmicos promoveu incrementos com taxas quadráticas para o conteúdo de N, P, K, Ca, Mg e S da parte aérea e raiz, bem como incrementos de natureza quadrática no teor dos nutrientes Zn e Mn na parte aérea. A aplicação de ácidos húmicos elevou os teores de clorofila a e clorofila b e reduziu o teor de carotenoides. De forma geral, a análise de regressão demonstrou que uma dose 150 mg L-1 é capaz de proporcionar a absorção de nutrientes mais adequada pelas plantas, e deve ser recomendada para a produção de mudas de mangostanzeiro. Ácidos húmicos de vermicomposto podem propiciar uma nutrição mais adequada a mudas de mangostanzeiro em fase de viveiro.
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This study aimed to evaluate the effect of the application of humic acid doses (0 mg L-1, 2 mg L-1, 20 mg L-1, 40 mg L-1 and 200 mg L-1) extracted from vermicompost of sugarcane filter cake on the nutrient uptake of seminal mangosteen (Garcinia mangostana L.) seedlings. The experimental design was completely randomized, with 7 replicates for each treatment. The application of humic acids promoted curvilinear increments with quadratic rates for N, P, K, Ca, Mg and S contents from shoots and roots, as well as quadratic increments in the Zn and Mn uptake by shoots. The application of humic acids increased the chlorophyll a and chlorophyll b contents and reduced the carotenoid content. Overall, the regression analysis demonstrated that a dose of 150 mg L-1 is capable of providing the most adequate nutrient uptake by plants, and should be recommended for the production of mangosteen seedlings. Humic acids from vermicompost can provide a better nutrition in mangosteen seedlings at the nursery stage. RESUMO A aplicação de substâncias promotoras de crescimento, a exemplo dos ácidos húmicos, no desenvolvimento de mudas frutíferas pode beneficiar o crescimento e potencializar a absorção e translocação de nutrientes na planta. Objetivou-se avaliar o efeito da aplicação de doses de ácidos húmicos (0 mg L-1; 2 mg L-1; 20 mg L-1; 40 mg L-1; 200 mg L-1) extraídos de vermicomposto de torta de filtro de cana-de-açúcar na absorção de nutrientes de mudas seminais de mangostanzeiro (Garcinia mangostana L.). O delineamento experimental foi inteiramente casualizado, com 7 repetições para cada tratamento. A aplicação dos ácidos húmicos promoveu incrementos com taxas quadráticas para o conteúdo de N, P, K, Ca, Mg e S da parte aérea e raiz, bem como incrementos de natureza quadrática no teor dos nutrientes Zn e Mn na parte aérea. A aplicação de ácidos húmicos elevou os teores de clorofila a e clorofila b e reduziu o teor de carotenoides. De forma geral, a análise de regressão demonstrou que uma dose 150 mg L-1 é capaz de proporcionar a absorção de nutrientes mais adequada pelas plantas, e deve ser recomendada para a produção de mudas de mangostanzeiro. 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Agropecu. Trop</addtitle><description>ABSTRACT The application of growth promoting substances, such as humic acids, during the formation of fruit seedlings can benefit growth and increase the plant nutrient uptake and translocation. This study aimed to evaluate the effect of the application of humic acid doses (0 mg L-1, 2 mg L-1, 20 mg L-1, 40 mg L-1 and 200 mg L-1) extracted from vermicompost of sugarcane filter cake on the nutrient uptake of seminal mangosteen (Garcinia mangostana L.) seedlings. The experimental design was completely randomized, with 7 replicates for each treatment. The application of humic acids promoted curvilinear increments with quadratic rates for N, P, K, Ca, Mg and S contents from shoots and roots, as well as quadratic increments in the Zn and Mn uptake by shoots. The application of humic acids increased the chlorophyll a and chlorophyll b contents and reduced the carotenoid content. Overall, the regression analysis demonstrated that a dose of 150 mg L-1 is capable of providing the most adequate nutrient uptake by plants, and should be recommended for the production of mangosteen seedlings. Humic acids from vermicompost can provide a better nutrition in mangosteen seedlings at the nursery stage. RESUMO A aplicação de substâncias promotoras de crescimento, a exemplo dos ácidos húmicos, no desenvolvimento de mudas frutíferas pode beneficiar o crescimento e potencializar a absorção e translocação de nutrientes na planta. Objetivou-se avaliar o efeito da aplicação de doses de ácidos húmicos (0 mg L-1; 2 mg L-1; 20 mg L-1; 40 mg L-1; 200 mg L-1) extraídos de vermicomposto de torta de filtro de cana-de-açúcar na absorção de nutrientes de mudas seminais de mangostanzeiro (Garcinia mangostana L.). O delineamento experimental foi inteiramente casualizado, com 7 repetições para cada tratamento. A aplicação dos ácidos húmicos promoveu incrementos com taxas quadráticas para o conteúdo de N, P, K, Ca, Mg e S da parte aérea e raiz, bem como incrementos de natureza quadrática no teor dos nutrientes Zn e Mn na parte aérea. A aplicação de ácidos húmicos elevou os teores de clorofila a e clorofila b e reduziu o teor de carotenoides. De forma geral, a análise de regressão demonstrou que uma dose 150 mg L-1 é capaz de proporcionar a absorção de nutrientes mais adequada pelas plantas, e deve ser recomendada para a produção de mudas de mangostanzeiro. 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Agropecu. Trop</addtitle><date>2019</date><risdate>2019</risdate><volume>49</volume><issn>1517-6398</issn><issn>1983-4063</issn><eissn>1983-4063</eissn><abstract>ABSTRACT The application of growth promoting substances, such as humic acids, during the formation of fruit seedlings can benefit growth and increase the plant nutrient uptake and translocation. This study aimed to evaluate the effect of the application of humic acid doses (0 mg L-1, 2 mg L-1, 20 mg L-1, 40 mg L-1 and 200 mg L-1) extracted from vermicompost of sugarcane filter cake on the nutrient uptake of seminal mangosteen (Garcinia mangostana L.) seedlings. The experimental design was completely randomized, with 7 replicates for each treatment. The application of humic acids promoted curvilinear increments with quadratic rates for N, P, K, Ca, Mg and S contents from shoots and roots, as well as quadratic increments in the Zn and Mn uptake by shoots. The application of humic acids increased the chlorophyll a and chlorophyll b contents and reduced the carotenoid content. Overall, the regression analysis demonstrated that a dose of 150 mg L-1 is capable of providing the most adequate nutrient uptake by plants, and should be recommended for the production of mangosteen seedlings. Humic acids from vermicompost can provide a better nutrition in mangosteen seedlings at the nursery stage. RESUMO A aplicação de substâncias promotoras de crescimento, a exemplo dos ácidos húmicos, no desenvolvimento de mudas frutíferas pode beneficiar o crescimento e potencializar a absorção e translocação de nutrientes na planta. Objetivou-se avaliar o efeito da aplicação de doses de ácidos húmicos (0 mg L-1; 2 mg L-1; 20 mg L-1; 40 mg L-1; 200 mg L-1) extraídos de vermicomposto de torta de filtro de cana-de-açúcar na absorção de nutrientes de mudas seminais de mangostanzeiro (Garcinia mangostana L.). O delineamento experimental foi inteiramente casualizado, com 7 repetições para cada tratamento. A aplicação dos ácidos húmicos promoveu incrementos com taxas quadráticas para o conteúdo de N, P, K, Ca, Mg e S da parte aérea e raiz, bem como incrementos de natureza quadrática no teor dos nutrientes Zn e Mn na parte aérea. A aplicação de ácidos húmicos elevou os teores de clorofila a e clorofila b e reduziu o teor de carotenoides. De forma geral, a análise de regressão demonstrou que uma dose 150 mg L-1 é capaz de proporcionar a absorção de nutrientes mais adequada pelas plantas, e deve ser recomendada para a produção de mudas de mangostanzeiro. Ácidos húmicos de vermicomposto podem propiciar uma nutrição mais adequada a mudas de mangostanzeiro em fase de viveiro.</abstract><pub>Escola de Agronomia/UFG</pub><doi>10.1590/1983-40632019v4955529</doi><orcidid>https://orcid.org/0000-0002-4677-9502</orcidid><orcidid>https://orcid.org/0000-0002-1088-5143</orcidid><orcidid>https://orcid.org/0000-0003-0711-8637</orcidid><orcidid>https://orcid.org/0000-0002-1057-0432</orcidid><oa>free_for_read</oa></addata></record>
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AGRONOMY
title Humic acids from vermicompost positively influence the nutrient uptake in mangosteen seedlings1
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