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Item type:Publication, Assessment and analysis of soil quality in an industrial zone from Lima, Peru using the grey clustering method(IJETAE Publication House, 2022-09-01)Within the district of Ventanilla there are many lead smelting companies, which emit gases containing heavy metals that, when transported to human settlements, could be causing damage to the health of the population, mostly harming young children. At present, the evaluation of soil quality involves the monitoring of various indicators that are analysed independently, leaving aside the systemic approach in which the elements interact and often restrict each other, making the analysis very complex. In this sense, a superior analysis system is proposed based on the Grey Clustering method, which is based on the theory of grey systems, an artificial intelligence approach that allows for an integral evaluation and takes into account the high degree of uncertainty present in the environment. The proposed methodology was used for the study of soil quality in the industrial park of the district of Ventanilla - Mi Perú, specifically in 3 Areas of Potential Interest (API): "Mercado Virgen de Guadalupe", "Patio de La I.E.P. Arturo Padilla Espinoza" and "AA.HH. Las Casuarinas". The results of the evaluation of soil quality using the Grey Clustering method showed that 40% of the total number of monitoring points have very poor soil quality, with the Virgen de Guadalupe Market area having 75% of the monitoring points with very poor soil quality. Finally, the present study can be of great use to the competent authorities related to the surveillance and monitoring of soil quality, as well as the health of the nearby population in order to make decisions on the control of nearby industrial activities. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Tree growth and soil recovery in Amazonian lands degraded by coca cultivation and grazing(Czech Academy of Agricultural Sciences, 2025-08-27)Soil degradation resulting from illicit coca cultivation and unsustainable grazing practices poses amajor challenge toecosystem restoration inthe Peruvian Amazon. This study evaluates the potential offast-growing tree species torehabilitate degraded soils while producing economically valuable timber. Monoculture plantations of<i>Corymbia torelliana</i> (eucalyptus), <i>Calycophyllum spruceanum</i> (capirona), <i>Colubrina glandulosa</i> (shaina), and <i>Cedrelinga cateniformis</i> (tornillo) were established onformer coca and pasture lands inthe Alto Huallaga Valley. Weassessed tree growth and key soil physicochemical properties – including soil organic matter (<i>SOM</i>), bulk density (<i>BD</i>), pH, extractable phosphorus (P), and cation exchange capacity (<i>CEC</i>) – intopsoil (0–10 cm) and subsoil (10–40 cm) layers. Eucalyptus and tornillo showed the highest diameter growth, while tornillo plots had significantly higher <i>SOM</i> levels. Soil pH was strongly acidic across all plots, and subsoil Pwas lowest under tornillo. <i>CEC</i> was highest in eucalyptus and capirona plots. Our findings suggest that tree plantations, particularly with eucalyptus, capirona, and tornillo, represent a viable strategy for the sustainable use and rehabilitation of soils formerly used for coca cultivation and grazing.3