Soil quality with traditional management in the Chambira native community

Abstract

The traditional management applied by the Native Community of Chambira (NCCh) is based on agroforestry plots with diverse species and areas with rotation of legumes, cassava and maize. The objective was to evaluate behaviour of the physicochemical indicators of soil quality with traditional crop management in the NCCh. A completely randomised design was applied, where the treatments were traditional mixed fruit management (MF), crop rotation (CR) and native forest (NF) as reference. Physical indicators of the surface layer did not show differences, the apparent density (AD) and the resistance to penetrability (RP) increased with depth; chemical indicators differed in the MF and CR had higher results compared to NF. The AD and RP had a significant negative correlation with soil organic carbon (SOC) and positive correlation between SOC, P, Ca, Mg, K available and cation exchange capacity. The MF and CR managements developed in the NCCh are techniques with great potential for soil conservation.

Modelling of alluvial soil quality and production in permanent banana Harton plantations

“…(b) Negative impact on pH (P < 0.01), the R 2 shows that age contributes 80.07% of the pH variation (Table 5). This behaviour expresses an acidification process, although the pH remains at a neutral level, a typical condition for this type of soil (Uribe et al 2002;Olivares et al 2022a;Serrao et al 2022), however, the reduction of pH is associated with the loss of Ca and Mg (Bohn et al 1993;Rajkishore et al 2017;Florida & Acuña 2020), which can be observed in the results (Table 2) and is possibly responsible for the reduction in crop yield. (c) Negative impact (P < 0.01) on P levels, the R 2 evidence that age contributes 79.20% to P variation (Table 6).…”