Reclamation of Saline Soil under Association between Atriplex nummularia L. and Glycophytes Plants

Monaliza Alves dos Santos, Maria Betânia Galvão Santos Freire, Fernando José Freire, Alexandre Tavares da Rocha, Pedro Gabriel de Lucena, Cinthya Mirella Pacheco Ladislau and Hidelblandi Farias de Melo
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Monaliza Alves dos Santos: Department of Agronomy, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil
Maria Betânia Galvão Santos Freire: Department of Agronomy, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil
Fernando José Freire: Department of Agronomy, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil
Alexandre Tavares da Rocha: Academic Unit of Garanhuns, Federal University of Agreste of Pernambuco, Garanhuns 55290-000, PE, Brazil
Pedro Gabriel de Lucena: Department of Agronomy, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil
Cinthya Mirella Pacheco Ladislau: Department of Agronomy, Federal Rural University of Pernambuco, Recife 52171-900, PE, Brazil
Hidelblandi Farias de Melo: Department of Soils, Federal University of Viçosa, Viçosa 36570-900, MG, Brazil

Agriculture, 2022, vol. 12, issue 8, 1-17

Abstract: Phytoremediation is an efficient technique for the reclamation of salt-affected soils by growing plants. The present study aims to evaluate the intercropping of halophyte Atriplex nummularia Lindl. with naturally occurring species ( Mimosa caesalpiniifolia Benth, Leucaena leucocephala (Lam.) de Wit and Azadirachta indica A. Juss.) adapted to semiarid regions as a management capable of enhancing the phytoremediation capacity of these species. A field experiment was conducted in a randomized block and contained four replicates. Species were cultivated alone and in association with A. nummularia to evaluate their potential uses in the reclamation of soils. Exchangeable Ca 2+ , Mg 2+ , Na +, and K + , as well as salinity and sodicity variables, were evaluated. The evaluations were performed at 9 and 18 months of plant growth. The results indicated that A. nummularia individualized was the treatment most efficient; with reductions of 80%, 63%, and 84% in electrical conductivity, sodium adsorption ratio, and exchangeable sodium percentage values, respectively at 18 months compared to starting of the experiment. However, the use of A. nummularia and species adapted to the semiarid in association, or even alone, promoted beneficial effects on the soil quality after the establishment of the plants.

Keywords: phytoremediation; Azadirachta indica; Leucaena leucocephala; Mimosa caesalpiniifolia; salt-affected soils; soil reclaim (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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