Soil’s Physical, Chemical, and Biological Responses to Different Post-Harvest Management of Pinus elliottii in Santa Catarina, Brazil

Ana Carolina de Mattos e Avila, Gunnar Kirchhof (), Marlise Nara Ciotta, Sandra Denise Camargo Mendes, João Frederico Mangrich dos Passos, Marieli do Nascimento and Jackson Adriano Albuquerque
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Ana Carolina de Mattos e Avila: Tasmanian Institute of Agriculture, University of Tasmania, Hobart 7005, Australia
Gunnar Kirchhof: School of Agriculture and Food Sustainability, The University of Queensland, Brisbane 4067, Australia
Marlise Nara Ciotta: Agricultural Research and Rural Extension Company of Santa Catarina, Lages 88502-970, SC, Brazil
Sandra Denise Camargo Mendes: Agricultural Research and Rural Extension Company of Santa Catarina, Lages 88502-970, SC, Brazil
João Frederico Mangrich dos Passos: Agricultural Research and Rural Extension Company of Santa Catarina, Lages 88502-970, SC, Brazil
Marieli do Nascimento: Department of Soil and Natural Resources, Santa Catarina State University, Florianopolis 88520-000, SC, Brazil
Jackson Adriano Albuquerque: Department of Soil and Natural Resources, Santa Catarina State University, Florianopolis 88520-000, SC, Brazil

Land, 2025, vol. 14, issue 12, 1-17

Abstract: Post-harvest forest residue management and liming practices can significantly affect soil quality. This study evaluated the impacts of burnt pine harvest residues and lime application methods (surface-applied vs. incorporated) on the chemical and physical properties of a Dystric Cambisol in Southern Brazil. Soil samples were collected at two depths (0–10 cm and 10–20 cm) and analyzed for pH, exchangeable acidity, organic carbon, cation exchange capacity, macroporosity, microporosity, and bulk density. The results showed that changes were more pronounced in the 0–10 cm layer and mainly affected chemical attributes. Incorporated lime increased pH from 4.7 to 5.1, increased base saturation from 17% to 36%, and reduced Al saturation from 45% to 13% in the 0–10 cm layer. Burnt residues alone did not significantly alter soil properties, whereas lime incorporation led to improved chemical conditions and enhanced soil structure, especially in the surface layer. The treatments that maintained pine residues on the surface favored biological processes in the topsoil, while the burning of these residues had variable impacts on soil structure and nutrient availability. These findings highlight the importance of incorporating lime to optimize soil rehabilitation following pine harvesting in subtropical forest systems.

Keywords: limestone; burning; pasture; soil science; chemical attributes; physical attributes; management (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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