Long-Term Integrated Crop–Livestock–Forestry Systems Recover the Structural Quality of Ultisol Soil

Author:

Matos Aline Marchetti SilvaORCID,Bonini Carolina dos Santos BatistaORCID,Moreira Bruno Rafael de Almeida,Andreotti Marcelo,Heinrichs RegesORCID,Silva Diogo Tiago da,Souza José Augusto Liberato de,Santos Melissa Alexandre,Andrighetto CristianaORCID,Pavan Gustavo Mateus,Barretto Vitor Corrêa de Mattos,Neto Alfredo BoniniORCID

Abstract

Integrated Crop–Livestock–Forestry Systems (ICLFS) offer stakeholders sustainable options to produce goods and services. Those additionally manifest as enablers of environmental conservation of soil functioning. We, therefore, analyzed the quality of Ultisol for physical and chemical properties under restorative or regenerative models of long-term (nine years) ICLFS. The arrangements comprised integrated Crop–Livestock; integrated Crop-Livestock-Forestry, integrated Crop–Livestock–Forestry with a single or triplicate rows of Eucalyptus; and Eucalyptus plantation, natural vegetation, and bare soil with resurgence of grasses (reference). We collected samples of soil at 0.05, 0.05–0.1, and 0.1–0.2 m depths throughout the areas to quantify standard properties, including water infiltration, hydraulic conductivity, degree of flocculation, mechanical resistance to penetration, stability of aggregates, physical fractioning of organic matter, and fertility. We applied principal component analysis to analytical data to calculate accurate discriminant variables to distinguish systems by structural quality. We obtained evidence for the crop–livestock framework improving physical and chemical properties; hence, this intervention outperformed others in developing environmental restoration. Additionally, as the reference consisted of comparable properties to those in integrative systems and native vegetation, it supported the ability of the soil to gradually recover itself over time. Therefore, our study provides knowledge to advance the field’s prominence in implementing ICLFS for the environmental reclamation of the condition or process degrading the soil and its functions for sustainable agricultural production.

Funder

Coordenação de Aperfeicoamento de Pessoal de Nível Superior

Publisher

MDPI AG

Subject

Agronomy and Crop Science

Reference40 articles.

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