Comparación del desarrollo inicial de cuatro especies forestales en parcelas de restauración con tres sistemas diferentes de preparación de suelo en el departamento de Caazapa, Paraguay

Paulo Caetano Medina Avalos; Lourdes González Soria; Enrique Benítez León; Gisselle Villalba

doi:10.18004/investig.agrar.2021.diciembre.2302676

Authors

Paulo Caetano Medina Avalos Universidad Nacional de Asunción, Facultad de Ciencias Agrarias. San Lorenzo, Paraguay https://orcid.org/0000-0002-0815-9281
Lourdes González Soria Universidad Nacional de Asunción, Facultad de Ciencias Agrarias. San Lorenzo, Paraguay https://orcid.org/0000-0003-2511-2749
Enrique Benítez León Universidad Nacional de Asunción, Facultad de Ciencias Agrarias. San Lorenzo, Paraguay. https://orcid.org/0000-0001-6295-2443
Gisselle Villalba Paraguay Agricultural Company. Asunción, Paraguay

DOI:

https://doi.org/10.18004/investig.agrar.2021.diciembre.2302676

Keywords:

Campomanesia xanthocarpa, Cordia americana, Cordia trichotoma, Melia azedarach, Forest Restoration, Soil preparation

Abstract

As a result of the advance of the agro-livestock frontier, the Alto Paraná ecoregion has lost more than 90% of its original surface, currently leaving only isolated remnants of this ecosystem. Thus, this ecoregion’s restoration efforts and their success are key to the conservation of the biodiversity that it harbors. In this context, the objective of this work was to know the initial development of Campomanesia xanthocarpa, Cordia americana, Cordia trichotoma and Melia azedarach under three land preparation systems in a restoration project: i) manual drilling, ii) controlled burning + manual drilling and iii) conventional land preparation; in four plots in the Golondrina farm, Caazapá. The data collected were (a) diameter at neck height (DNH), (b) height, and (c) number of branches. For data analysis, ANOVA and the Tukey-Kramer testwere performed. Cordia americana was the species with the best development in the three variables studied in the three soil preparation systems, while Campomanesia xanthocarpa had the lowest development among the four species studied. Cordia trichotoma was the second best-developing species followed by Melia azedarach, which was affected by frost.

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