Impact of land use on the chemical attributes of the soil, Cruzeiro do Sul, in the Brazilian Amazon

IF 1 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY
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引用次数: 0

Abstract

- Vast areas of the Brazilian Amazon have been deforested for the expansion of livestock and the agricultural frontier, which has resulted in soil exhaustion. It is therefore urgent to reduce deforestation and encourage sustainable land use to promote social and economic development in the region. The aim of this study was to evaluate the impact of different land use systems (an agroforestry system, cassava cultivation, non-degraded pasture, native forest) on the chemical properties of the soil (0-40 cm) in the mesoregion of the Juruá Valley, in the state of Acre, Brazil. Principal component analysis showed the soil in the forested area (reference) has greater values for P, Ca 2+ , Mg 2+ , K + , Na + , sum of bases, and cation exchange capacity; while hierarchical cluster analysis suggested little dissimilarity to the soil in the agroforestry system, and high dissimilarity to the soil in the areas of cassava cultivation and pasture. The results therefore support agroforestry as the most sustainable land use system, compared to cassava cultivation or pasture.
土地利用对巴西亚马逊地区南克鲁塞罗地区土壤化学属性的影响
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来源期刊
Revista Ciencia Agronomica
Revista Ciencia Agronomica Agricultural and Biological Sciences-Horticulture
CiteScore
2.00
自引率
0.00%
发文量
41
审稿时长
4-8 weeks
期刊介绍: To publish technical-scientific articles and study cases (original projects) that are not submitted to other journals, involving new researches and technologies in fields related to Agrarian Sciences. Articles concerning routine analysis, preliminary studies, technical notes and those which merely report laboratorial analysis employing traditional methodology will not be accepted for publication. The Journal of Agronomical Science also has the mission to promote the exchange of experience in the referred fields.
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