Soil microbial biomass and activity in response to Eucalyptus plantation and natural regeneration on tropical soil

Behera, Niranjan; Sahani, U.

doi:10.1016/s0378-1127(02)00057-9

Cited by 120 publications

(96 citation statements)

References 41 publications

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“…The microbial biomass pool plays a key role in controlling the nutrient cycling and energy flow in terrestrial ecosystems (Jenkinson and Ladd 1981), notwithstanding its small size. The decreased in MBC content has been reported in other studies (Chander et al 1995;Behera and Sahani 2003;Araujo et al 2010). These studies suggested that a toxic compound (allelochemical) in the leaves of Eucalyptus caused the decrease in MBC, and the establishment of an exotic plant species had an initial negative effect on soil microbial biomass.…”

Section: Discussionsupporting

confidence: 68%

Effects of vegetation restoration types on soil quality in Yuanmou dry-hot valley, China

Peng

Chen

Fang

et al. 2013

Soil Science and Plant Nutrition

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Soil erosion has resulted in serious land degradation in Yuanmou dry-hot valley, Yunnan province, China. Vegetation restoration had been widely developed in this hot and arid area. In this work we investigate the quality of rhizosphere soils under four restoration species in the towns of Zuolin (gully bed) and Yuanma (slope area). [pH, soil organic matter, nitrogen (N), phosphorus (P) and potassium (K) contents], and microbial (microbial biomass and microbe quantity) properties and soil enzyme (catalase, protease and urease) activities were determined. Compared to the soils collected from other vegetation types, the soil under Leucaena leucocephala had the highest content of soil organic matter, total N, available N, total P, available P, available K, microbial biomass carbon (C), and the highest microbe quantity and enzyme activities. Five parameters (organic matter, pH, microbial biomass N, total K and protease activity), which had the greatest weight in the principal components analysis, were selected to calculate the soil quality index (SQI). The final SQI values implied that restoring Leucaena leucocephala greatly improved the soil quality, while restoration with Eucalyptus camaldulensis decreased the soil quality of the slope area. Plant recovery with Dodonaea viscosa and Heteropogon contortus on the gully bed affected the population of soil microbial communities but didn't improve the SQI values. It can therefore be seen that types of plants used for recovery in gully-developed regions in dry-hot valleys must be chosen cautiously: Leucaena leucocephala is a good choice for soil revegetation of the slope area, but the revegetation patterns on the gully bed still need further study.

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Section: Discussionsupporting

confidence: 68%

Effects of vegetation restoration types on soil quality in Yuanmou dry-hot valley, China

Peng

Chen

Fang

et al. 2013

Soil Science and Plant Nutrition

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“…Resultados similares foram observados por Behera & Sahani (2003), em uma plantação de eucalipto na Índia. Aumentos de densidade do solo em superfície, em sistemas fl orestais, podem estar relacionados ao tempo de utilização da área, arquitetura do sistema radicular, pouca cobertura do solo durante o período inicial de crescimento das plantas, trânsito de máquinas e implementos agrícolas, e condições de umidade do solo no preparo e plantio das mudas (Costa et al, 2003).…”

Section: Resultsunclassified

“…Nos plantios de pínus e eucalipto, ocorreram reduções signifi cativas nos teores de matéria orgânica, em relação à área de cerrado (Tabela 2). Resultados semelhantes foram relatados por Fonseca et al (1993), Zinn et al (2002) e Behera & Sahani (2003) e estão associados à oxidação biológica da matéria orgânica original do solo, decorrente de seu preparo e cultivo, do declínio inicial da produção de serapilheira e das mudanças na composição qualitativa da serapilheira que ocorrem nos plantios fl orestais.…”

Section: Resultsunclassified

“…Nos três plantios de espécies fl orestais, ocorreram reduções no CBM e na relação CBM/Corg, em relação ao solo sob cerrado (Tabela 3), conforme também observado por Behera & Sahani (2003), Chaer & Tótola (2007) e Gama-Rodrigues et al (2008a). Mesmo após mais de 20 anos do estabelecimento desses sistemas, os níveis de biomassa microbiana não atingiram o patamar observado na área sob cerrado.…”

Section: E Gama-rodrigues Et Al (2008b)unclassified

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Atributos físicos, químicos e biológicos de um Latossolo de cerrado em plantio de espécies florestais

Silva

Mendes

Reis

et al. 2009

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o impacto de plantios fl orestais nos atributos físicos, químicos e biológicos de um Latossolo Vermelho-Amarelo de cerrado. Amostras de solo foram coletadas à profundidade de 0 a 10 cm, em áreas cultivadas há mais de 20 anos com pínus (Pinus tecunumanii), eucalipto (Eucalyptus grandis) ou carvoeiro (Sclerolobium paniculatum). Uma área adjacente de cerrado nativo foi incluída como referência do solo original. Foram observados, em relação ao cerrado, aumentos na densidade do solo sob pínus e eucalipto, redução na macroporosidade sob pínus, menores teores de matéria orgânica sob pínus e eucalipto, além de decréscimos no pH e na saturação por bases e incremento da saturação por alumínio nos cultivos com pínus e carvoeiro. O carbono da biomassa microbiana sob pínus, eucalipto e carvoeiro foi aproximadamente a metade do carbono sob cerrado. Atividades de fosfatase ácida e arilsulfatase foram inibidas pelo pínus e estimuladas pelo carvoeiro. Entre os refl orestamentos avaliados, o pínus promoveu a redução mais acentuada da qualidade do solo de cerrado. As variáveis microbiológicas foram as mais sensíveis em detectar o efeito dos diferentes refl orestamentos na qualidade do solo.Termos para indexação: Eucalyptus grandis, Pinus tecunumanii, Sclerolobium paniculatum, carbono da biomassa microbiana, enzimas do solo, qualidade do solo. Physical, chemical and biological attributes of a cerrado Oxisol under different forest speciesAbstract -The objective of this study was to evaluate the impact of forest plantations on the physical, chemical and microbiological attributes of a cerrado Oxisol. Soil samples were collected at 0-10 cm depth from sites cultivated with pinus (Pinus tecunumanii), eucalyptus (Eucalyptus grandis) and carvoeiro (Sclerolobium paniculatum) for over 20 years. An adjacent native cerrado area was used as a reference of the original soil conditions. It was observed in relation to the native cerrado: increases in soil density under pinus and eucalyptus, reduction in the macroporosity under pinus, lower organic matter contents under pinus and eucalyptus, besides decreases in the soil pH and in the base saturation under pinus and carvoeiro along with an increase in aluminum saturation. Soil microbial biomass carbon under the pinus, eucalyptus and carvoeiro sites was about half of that found under cerrado. The activities of acid phosphatase and arylsulfatase were inhibited by pinus and stimulated by carvoeiro. Among the forest systems evaluated, pinus promoted the greatest reduction on soil quality. The microbiological variables were the most sensitive to detect the effects of these systems on soil quality.

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“…Take E. spp. as an example, it has been introduced into and planted in many countries such as China, India, and Brazil, which has arisen a variety of problems in ecological degradation (Behera and Sahani, 2003;Eshetu and Olavi, 2003;Oballa et al, 2010;Joshi and Palanisami, 2011;Singwane and Malinga, 2012;Stanturf et al, 2013;Yu et al, 2013), such as degradation in soil quality and land productivity, shortage in water resources, decrease in biodiversity, and ecological invasion of alien species. The same story once happened in China that A. mearnsii was introduced to make a mixed plantation with E.…”

Section: Eco-risk Assessment and Management Of Artificial Vegetationmentioning

confidence: 99%

Spatial-temporal vegetation succession in Yao’an County, Yunnan Province, Southwest China during 1976–2014: A case survey based on RS technology for mountains eco-engineering

Huang

Yuan

et al. 2014

Ecological Engineering

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Soil microbial biomass and activity in response to Eucalyptus plantation and natural regeneration on tropical soil

Cited by 120 publications

References 41 publications

Effects of vegetation restoration types on soil quality in Yuanmou dry-hot valley, China

Effects of vegetation restoration types on soil quality in Yuanmou dry-hot valley, China

Atributos físicos, químicos e biológicos de um Latossolo de cerrado em plantio de espécies florestais

Spatial-temporal vegetation succession in Yao’an County, Yunnan Province, Southwest China during 1976–2014: A case survey based on RS technology for mountains eco-engineering

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