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      LODO DO CURTIMENTO E SUA INFLUÊNCIA NA PRODUÇÃO DE MUDAS DE PARICÁ ( Schizolobium amazonicum ) E NAS PROPRIEDADES QUÍMICAS DO SOLO Translated title: TANNING SLUDGE AND ITS INFLUENCE ON THE PRODUCTION OF SEEDLINGS OF PARICÁ (Schizolobium amazonicum) AND ON CHEMICAL PROPERTIES OF SOIL

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          Abstract

          RESUMO O objetivo deste estudo foi verificar a influência do lodo do curtimento nas propriedades químicas do solo e nas características morfológicas e nutricionais de mudas de paricá. O experimento foi realizado em casa de vegetação em delineamento inteiramente casualizado, em cinco repetições, tendo como substrato um cambissolo húmico, o qual foi caracterizado química e granulometricamente; de posse desses resultados o solo foi corrigido previamente com calcário e NPK. Após 100 dias de observação foram analisadas as variáveis químicas do solo (pH, H+Al, Al3+, Ca, Mg, P, K, Na, S, Cr3+, CO, SB, CTC, V, RAS e PST), a morfologia da planta [altura (H), diâmetro do caule (DC), número de folhas completas, comprimento da raiz principal (CR) e biomassa seca], bem como as concentrações de N, P, K, Ca, Mg, S, Cr3+ e Na na planta. O lodo de curtimento foi utilizado como complemento nutricional nas doses de 0,0; 1,5; 3,0; 4,5 e 6,0 g kg-1. O lodo de curtimento tem potencial como corretivo de acidez do solo, com aumento pouco expressivo dos indicadores de salinidade, sodicidade e do teor de Cr3+ disponível. No entanto, o uso do lodo não afetou as características morfológicas das mudas de paricá, porém, propiciou aumento nos teores K e S na parte aérea e de Na e S na raiz. Os maiores teores de nutrientes no paricá foram obtidos com 6,0 g kg-1 de lodo de curtimento, contudo, não foi possível otimizar uma dose para a máxima produtividade de mudas de paricá com as doses utilizadas.

          Translated abstract

          ABSTRACT The objective of this study was to assess the influence of the tanning sludge in soil chemical properties and the morphological and nutritional of paricá seedlings. The experiment was conducted in a greenhouse in a completely randomized design with five replicates, having as a substrate humic cambisol, which was characterized chemically and granulometrically; in possession of these results, the soil was previously corrected with lime and NPK. After 100 days of observation, it was analyzed the soil chemical variables (pH, H+Al, Al3+, Ca, Mg, P, K, Na, S, Cr3+, CO, SB, CTC, V, RAS and PST), the morphology plant [height (H), stem diameter (DC), the number of full leaves, the main root length (CR) and dry biomass], and the concentrations of N, P, K, Ca, Mg, S, Cr3+ and Na in the plant. The tanning sludge was used as a nutritional supplement in doses of 0.0, 1.5, 3.0, 4.5 and 6.0 g kg-1. The tanning sludge has potential as a corrective of soil acidity, with little significant increase in indicators of salinity, sodicity and Cr3+ content available. However, the use of sludge did not affect the morphological characteristics of seedlings of paricá, but induced an increase in levels K and S in the shoot and Na and S in the root. The greatest concentration of nutrients in paricá were obtained with 6.0 g kg-1 of tanning sludge; however, was not possible to optimize the dose for a maximum productivity of seedlings of paricá with the treatments used.

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          Mineral nutrition of higher plant

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            Diagnosis and Improvement of Saline and Alkali Soils

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              Manual de análises químicas de solos, plantas e fertilizantes

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cflo
                Ciência Florestal
                Ciênc. Florest.
                Universidade Federal de Santa Maria
                1980-5098
                September 2013
                : 23
                : 3
                : 357-368
                Affiliations
                [1 ] Instituto Federal de Rondônia Brazil
                [2 ] Universidade Federal de Mato Grosso Brazil
                [3 ] Instituto Federal de Rondônia Brazil
                [4 ] Universidade Federal de Mato Grosso Brazil
                Article
                S1980-50982013000300357
                10.5902/1980509810547
                8670a507-39a5-434e-b1be-67fc985243b0

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1980-5098&lng=en
                Categories
                ECOLOGY
                ENVIRONMENTAL STUDIES
                FORESTRY

                Ecology,Environmental studies,Forestry
                forest nutrition,industrial waste,resíduo industrial,cromo,nutrição florestal,salinização do solo,chromium,soil salinization

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