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Article

Linkages among Soil Properties and Litter Quality in Agroforestry Systems of Southeastern Brazil

1
Department of Soil Science, Federal Rural University of Rio de Janeiro, BR 465, Km 07, Seropédica, Rio de Janeiro 23897-000, Brazil
2
Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA
3
Department of Soil Science, University of São Paulo, Av. Pádua Dias 11, Piracicaba, SP 13418-260, Brazil
4
National Agrobiology Research Center, BR-465, Km 7, Seropédica, Rio de Janeiro 23890-000, Brazil
5
Ambiente Brasil, Av. Carlos Chagas Filho, 791, Ilha do Fundão, Rio de Janeiro 21941-904, Brazil
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(22), 9752; https://doi.org/10.3390/su12229752
Received: 28 October 2020 / Revised: 15 November 2020 / Accepted: 18 November 2020 / Published: 23 November 2020
(This article belongs to the Special Issue Soil Quality and Soil Management)
Agroforestry systems have been promoted as a solution to address trade-offs between environmental conservation efforts and the need for increased agricultural productivity on smallholder farms in Brazil. However, the impact of land use change from degraded pasture to agroforestry on soil properties remains unclear. The objectives of this research were to: (1) assess soil chemical, physical and biological properties across distinct land uses (degraded pasture, agroforestry and secondary forest); and (2) understand relationships between litter quality, soil organic matter (SOM) and key soil quality parameters in the Brazilian Atlantic Rainforest. Soils, macroinvertebrates and litter were collected in April and September of 2018 under five land uses, including: three types of agroforestry systems, a degraded pasture and a secondary forest in Sapucaia, Rio de Janeiro, Brazil. Our results showed that soil properties clearly separated the three agroforestry systems plots (AS1, AS2, AS3) from the forest and pasture plots. Moreover, litter quality and SOM likely influence multiple biological and physiochemical soil properties under agroforestry systems and secondary forest. Our findings suggest that agroforestry systems can help support soil biological, chemical and physical properties and that the litter quality may be an important driver of their effects and potential contributions to soil restoration in the region. View Full-Text
Keywords: C:N ratio; enzymes; macroinvertebrates; pasture; restoration; secondary forest; soil degradation; soil organic matter; soil quality C:N ratio; enzymes; macroinvertebrates; pasture; restoration; secondary forest; soil degradation; soil organic matter; soil quality
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MDPI and ACS Style

Matos, P.S.; Fonte, S.J.; Lima, S.S.; Pereira, M.G.; Kelly, C.; Damian, J.M.; Fontes, M.A.; Chaer, G.M.; Brasil, F.C.; Zonta, E. Linkages among Soil Properties and Litter Quality in Agroforestry Systems of Southeastern Brazil. Sustainability 2020, 12, 9752. https://doi.org/10.3390/su12229752

AMA Style

Matos PS, Fonte SJ, Lima SS, Pereira MG, Kelly C, Damian JM, Fontes MA, Chaer GM, Brasil FC, Zonta E. Linkages among Soil Properties and Litter Quality in Agroforestry Systems of Southeastern Brazil. Sustainability. 2020; 12(22):9752. https://doi.org/10.3390/su12229752

Chicago/Turabian Style

Matos, Priscila S., Steven J. Fonte, Sandra S. Lima, Marcos G. Pereira, Courtland Kelly, Júnior M. Damian, Marcelo A. Fontes, Guilherme M. Chaer, Felipe C. Brasil, and Everaldo Zonta. 2020. "Linkages among Soil Properties and Litter Quality in Agroforestry Systems of Southeastern Brazil" Sustainability 12, no. 22: 9752. https://doi.org/10.3390/su12229752

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