巴西亚马孙州南部森林向耕作环境转换地区的土壤属性和根系分布

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
A. Lima, M. Campos, T. S. Martins, E. G. B. Brito Filho, J. M. Cunha, F. G. Souza, Eduardo Antônio Neves dos Santos
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引用次数: 4

摘要

摘要本工作的目的是评估森林向耕作环境转换地区的土壤属性和根系分布。这项研究在四个地区进行:亚马逊州卡努塔马市的森林、库普阿库、瓜拉纳和红木。在0.00–0.10层中收集土壤和体积环;0.10–0.20;0.20–0.30;0.30–0.40;0.40–0.50 m用于分析物理和化学属性以及根系分布。进行了单变量统计分析,并将平均值与Tukey检验(p<0.05)和Pearson相关性(p<0.05和<0.01)进行了比较。森林面积和耕作环境对农业生产具有土壤化学限制,而物理属性则具有令人满意的值。向农业转化后,化学特性发生了重大变化和降解。在研究区域的0.00–0.10和0.10–0.20 m层中观察到了主要变化。Cupuacu栽培表现出较高的根系干重(RDW)和根系分布(RD)值,其中0.00–0.10和0.10–0.20 m层的值最高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Soil attributes and root distribution in areas under forest conversion to cultivated environments in south Amazonas, Brazil
ABSTRACT The objective of this work was to evaluate soil attributes and root distribution in areas under forest conversion to cultivated environments. The study was carried out in four areas: forest, cupuacu, guarana and annatto, located in the municipality of Canutama, state of Amazonas. Soils and volumetric rings were collected in the layers 0.00 – 0.10; 0.10 – 0.20; 0.20 – 0.30; 0.30 – 0.40; and 0.40 – 0.50 m for analyses of physical and chemical attributes and root distribution. Univariate statistical analyses were carried out, the means were compared with the Tukey’s test (p < 0.05) and Pearson’s correlation (p < 0.05 and < 0.01). The forest area and the cultivated environments present soil chemical limitations for agricultural production, whereas the physical attributes presented satisfactory values. The chemical attributes underwent major changes and degradations upon conversion to agriculture. Major changes were observed in the layers of 0.00 – 0.10 and 0.10 – 0.20 m for the studied areas. Cupuacu cultivation showed higher values of roots dry weight (RDW) and roots distribution (RD), with the highest values found in the 0.00 – 0.10 and 0.10 – 0.20 m layers.
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来源期刊
Bragantia
Bragantia AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.40
自引率
8.30%
发文量
33
审稿时长
4 weeks
期刊介绍: Bragantia é uma revista de ciências agronômicas editada pelo Instituto Agronômico da Agência Paulista de Tecnologia dos Agronegócios, da Secretaria de Agricultura e Abastecimento do Estado de São Paulo, com o objetivo de publicar trabalhos científicos originais que contribuam para o desenvolvimento das ciências agronômicas. A revista é publicada desde 1941, tornando-se semestral em 1984, quadrimestral em 2001 e trimestral em 2005. É filiada à Associação Brasileira de Editores Científicos (ABEC).
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