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Growth of cumaru (Amburana cearensis) seedlings irrigated with industrial effluent

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Abstract

In view of the need to implement programs to recompose vegetation cover, urban afforestation, charcoal production, firewood production, and other wood or non-wood purposes, it is necessary to use alternatives and techniques that facilitate the production of seedlings in order to meet these demands, where water reuse is a promising alternative to ensure production at a reduced cost, without compromising the use of drinking water, without generating waste, potentiating the production process and promoting social and environmental benefits. Thus, it is necessary to adopt strategies to improve the efficiency of wastewater reuse for the production of forest species seedlings without compromising the initial growth of species. In this sense, the objective of this work was to evaluate the growth of Amburana cearensis plants in different substrates irrigated with industrial effluent. The study was conducted in a greenhouse in the city of Mossoró, state of Rio Grande do Norte. The experimental design was randomized blocks in a 2 × 5 factorial scheme, corresponding to two substrates and five effluent doses (0%, 25%, 50%, 75%, and 100%). The substrates used were soil with organic compost (S1) and soil with water hyacinth fiber (S2). Growth was evaluated by stem diameter (DC) and seedling height (H). Evaluations were performed every 15 days for 3 months. Absolute growth rate (AGR) and relative growth rate (RGR) were determined. Regression and correlation analysis was also performed. We found that the average stem diameter was larger for plants grown in the substrate with water hyacinth fibers (S2) and the average height was higher in the substrate with organic compost (S1). The RGR showed the same behavioral pattern in the control treatment at doses 25 and 50% in S1. In S2, the RGR for stem diameter decreased continuously with rising doses. The relative growth rates for height showed a tendency to decrease independently of treatments. Therefore, the seedlings showed good growth characteristics for all treatments and the 50% dose in S1 achieved the best results.

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Acknowledgements

The authors thank the Graduate Program in Environment, Technology, and Sociedade da Universidade Federal Rural do Semi-Árido, Brazil, and CAPES for research resources available. Maria Carolina Ramirez Hernandez, thanks CAPES, this study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001.

Funding

This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) Finance Code 001.

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The article comes from LLBA’s master’s speech, not the Graduate Program in Environment, Technology, and Society of the Federal Rural University of Semi-Arid, Brazil. Our plan of work is to carry out the research on the part of the project diagnosis and quality of the semi-arid environment of Potiguar-Brazil, coordinated by Elís Regina Costa de Morais, counselor. ERCM and LLBA contributed to the planning and conducting of the experiment, as in the phase of evaluation of two data and writing of the manuscript. The other authors, JCAS (graduated from the graduate course in agronomy) and SJBF and MCRH (from the Graduate Program in Environment, Technology, and Society/UFERSA, Brazil), contributed to the phases of conducting the experiment, as in the phase of evaluation of two data and writing of the manuscript. In this sense, the authors declare that all participate equally in the elaboration of the manuscript

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Correspondence to Elís Regina Costa de Morais.

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Research decorum does not involve human beings and animals; therefore, it does not apply.

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On behalf of Lívia Laiane Barbosa Alves, Josinaide Cláudia Araújo de Santana, Samantha Joyce Bezerra Faustino, and Maria Carolina Ramirez Hernandez, I, Elís Regina Costa de Morais, am submitting our article entitled “Growth of cumaru (Amburana cearensis) seedlings irrigated with industrial effluent.” The authors declare that they agree with the submission and eventual publication of the Environmental Science and Pollution Research.

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The authors declare no competing interests.

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Alves, L.L.B., de Morais, E.R.C., de Santana, J.C.A. et al. Growth of cumaru (Amburana cearensis) seedlings irrigated with industrial effluent. Environ Sci Pollut Res 28, 20945–20953 (2021). https://doi.org/10.1007/s11356-021-13273-2

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  • DOI: https://doi.org/10.1007/s11356-021-13273-2

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