Soil Attributes in Anthropized Hygrophilous Forest in Northern Minas Gerais State,Brazil  

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作  者:Maria das Dores Magalhaes Veloso Luiz Arnaldo Fernandes Marly Antonielle deávila le Roberta Ferreira Nunes Leidivan Almeida Frazao 

机构地区:[1]Universidade Estadual de Montes Claros,Montes Claros,Minas Gerais State 39401-089,Brazil [2]Instituto de Ciências Agrárias,Universidade Federal de Minas Gerais,Montes Claros,Minas Gerais State 39404547,Brazil [3]Universidade Federal de Lavras,Lavras,Minas Gerais State 37200-000,Brazil

出  处:《Journal of Agricultural Science and Technology(B)》2018年第5期311-319,共9页农业科学与技术(B)

摘  要:The soils of Brazilian Cerrado are characterized with high acidity and low fertility and productivity.However,these attributes are not homogeneously distributed through all phytophysiognomies of this biome,and wetland known as palm swamp or“veredas”are an exception.This study aimed to describe and compare the chemical and physical attributes of soil surface layers at six palm swamps areas under different anthropization processes in the northern region of Minas Gerais state,Brazil.Soil sampling of different hydromorphic soils were collected at 0-20 cm depth layer from 100 m2 plots in the studied areas.The variables were compared using the GLM procedure of ANOVA using Statistica 10 software.Soil chemical attributes and similarities between the six palm swamps areas were compared using the statistical software R.Soil chemical attributes were different and soil physical attributes were similar between the evaluated areas.The similarities among the attributes were classified into three groups according to the anthropic pressures,as well as with the origin of the soil material in the six palm swamps areas evaluated.It could be concluded that soil fertility can be reduced in palm swamps that suffered greater anthropic intervention.The three similarity groups might be associated not only to the anthropic pressures,but also to the raw material of soil at the six palm swamps areas evaluated.

关 键 词:Hydromorphic SOILS PALM SWAMPS soil FERTILITY 

分 类 号:S[农业科学]

 

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