Deposition and nutritional quality of the litter of pure stands of Eucalyptus camaldulensis and Acacia mangium

Silva, Cristiane Figueira da; Carmo, Élida Ribeiro do; Martins, Marco Antonio; Freitas, Marta Simone Mendonça; Pereira, Marcos Gervásio; Silva, Eliane Maria Ribeiro da

doi:10.14393/bj-v31n4a2015-26297

Cited by 9 publications

(7 citation statements)

References 30 publications

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“…Some authors have suggested different litter depositions for stands of E. camaldulensis and E. grandis . Silva et al. (2015) reported a total litter deposition in soil for stands of E. camaldulensis of 6.3 Mg ha -1 year -1 , while Vargas et al.…”

Section: Discussionmentioning

confidence: 99%

“…Some authors have suggested different litter depositions for stands of E. camaldulensis and E. grandis. Silva et al (2015) reported a total litter deposition in soil for stands of E. camaldulensis of 6.3 Mg ha -1 year -1 , while Vargas et al (2019) found stands of 2.9 Mg ha -1 year -1 for E. grandis, i.e., 2.17-fold less litter deposition in E. grandis than in E. camaldulensis. Although we did not assess litter quality, different Eucalyptus species are known to have different litter compositions, which may influence both microbial activity and nutrient cycling (Nogueira et al, 2006;Yang et al, 2020).…”

Section: Soil Chemical Analysesmentioning

confidence: 98%

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Arbuscular Mycorrhizal Fungi and Soil Quality Indicators in Eucalyptus genotypes With Different Drought Tolerance Levels

Lopes¹,

Silva²,

Santana³

et al. 2022

Front. Fungal Biol.

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Silviculture has great importance worldwide, and the use of Eucalyptus species, which account for 75% of the local planted forest in Brazil, is one of the factors that contributes to the success of this activity in the country. Despite its adaptability, the yield of Eucalyptus is often affected by climate change, particularly water deficiency. Plants have developed strategies to mitigate water stress, for example, through their association with mycorrhizal fungi. The genus Eucalyptus, particularly in the plant domain, establishes symbioses with arbuscular mycorrhizal fungi (AMF) and ectomycorrhizal fungi (ECMF). The influence of Eucalyptus species on AMF and soil quality indicators is not well understood. Our aim was to conduct a preliminary evaluation of the various responses of soil AMF communities and soil nutrient dynamics in the presence of Eucalyptus species with different degrees of drought tolerance. A field experiment was established containing six Eucalyptus species, E. brassiana, E. camaldulensis, E. citriodora, E. cloeziana, E. grandis, and E. urophylla, all of which were planted in large plots. Soil and root samples were taken when the plants were 1.7 and 2.2 years old. We found that Eucalyptus species with low (E. grandis and E. urophylla) and intermediate drought tolerance (E. citriodora and E. cloeziana) showed stronger correlations with the AMF community than Eucalyptus species with high drought tolerance (E. brassiana and E. camaldulensis). Differences were also found between Eucalyptus species for AMF spore numbers and root colonization percentages, which was most evident for E. urophylla. The microbiological attributes found to be most responsive to Eucalyptus species were soil enzyme activities, AMF spore numbers, root colonization percentages, and fungal abundance. Soil organic carbon, phosphorus, potassium, zinc, copper, and iron were the main chemical drivers related to the soil AMF community structure in the presence of E. brassiana.

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Section: Discussionmentioning

confidence: 99%

Section: Soil Chemical Analysesmentioning

confidence: 98%

Arbuscular Mycorrhizal Fungi and Soil Quality Indicators in Eucalyptus genotypes With Different Drought Tolerance Levels

Lopes¹,

Silva²,

Santana³

et al. 2022

Front. Fungal Biol.

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“…This has also been recorded by and Viera et al (2014); the authors attribute this to the presence of reproductive wastes (which have higher concentrations of N) in the miscellany fraction. Hernández et al (2009) studied E. dunnii and found a macronutrient transfer order of Ca > N > Mg > K > P. Viera et al (2014), who studied E. urophylla × E. globulus, and Ashagrie and Zech (2013), who studied E. globulus, found a transfer order of Ca > N > K > Mg > S > P. Corrêa et al (2013), who studied E. dunnii, and Silva et al (2015), who studied E. camaldulensis, observed a transfer order of Ca > N > K > Mg > P > S, results similar to those obtained in this study. It is possible that Ca was dominant because of its low mobility in phloem, which hinders its translocation during senescence.…”

Section: ----------------------------------------------------G Ha -1 mentioning

confidence: 99%

NUTRIENT RETURN THROUGH LITTERFALL IN A Eucalyptus dunnii Maiden STAND IN SANDY SOIL

et al. 2016

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-In a forest stand, litterfall is primarily responsible for the retention and return of nutrients to the soil. The objective of this study was to evaluate the return of nutrients through litterfall in a stand of Eucalyptus dunnii in a Pampa biome. For quantification of litterfall, four 420-m² installments were marked; within each one, four 0.50-m² collection plots were distributed. For the collection of thick branches, four 7.00-m² subplots were staked out. The collected litterfall was separated into leaf, twig, thick branch, and miscellany fractions for subsequent chemical analysis. The total litterfall measured was 6.99 Mg ha -1 yr -1 , and comprised 61.57% leaves, 17.34% twigs, 13.83% thick branches, and 7.26% miscellany. The total amount of macronutrients in the litterfall was 160.22 kg ha -1 yr -1 , and the macronutrient transfer order was the same for the leaf, twig, and thick branch fractions (Ca > N > K > Mg > S > P). The total quantity of micronutrients was 7.55 kg ha -1 yr -1 , and the transfer order was Mn > Fe > B > Zn > Cu. Maintaining litterfall on the site, especially in degraded or low fertility soils like in the Pampa biome, may contribute to possible improvements in soil characteristics.Keywords: Forest nutrition; Nutrient cycling; Pampa biome. DEVOLUÇÃO DE NUTRIENTES ATRAVÉS DA SERAPILHEIRA PRODUZIDA EM UM POVOAMENTO DE Eucalyptus dunnii Maiden EM SOLO ARENOSORESUMO -A produção de serapilheira é a principal responsável pela retenção e devolução de nutrientes para o solo em um povoamento florestal. O objetivo deste trabalho foi avaliar a devolução de nutrientes por meio da serapilheira produzida em um povoamento de Eucalyptus dunnii, no bioma Pampa. Para a quantificação da serapilheira produzida, foram demarcadas quatro parcelas de 420 m², e no interior de cada parcela foram distribuídos quatro coletores de 0,50 m². Para a coleta dos galhos grossos demarcou-se quatro sub-parcelas de 7,00 m 2 . O material coletado foi separado nas frações folhas, galhos grossos, galhos finos e miscelânea, com posterior análise química. A serapilheira produzida foi de 6,99 Mg ha -1 ano -1 , distribuída em 61,57%, 17,34%, 13,83% e 7,26%, nas folhas, galhos finos, galhos grossos e miscelânea, respectivamente. A quantidade de macronutrientes na serapilheira foi de 160,22 kg ha -1 ano -1 , sendo que, a ordem de transferência foi a mesma para as frações folhas, galhos finos e galhos grossos (Ca > N > K > Mg > S > P). Para os micronutrientes a quantidade foi 7,55 kg ha -1 ano -1 , seguindo a ordem decrescente de Mn > Fe > B > Zn > Cu. A manutenção da serapilheira no sítio, principalmente em solos degradados ou de baixa fertilidade natural, como é o caso da região do bioma Pampa, poderá contribuir com possíveis melhorias nas características do solo.Palavras-chave: Nutrição florestal; Ciclagem de nutrientes; Bioma Pampa.

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“…Litter also stores seeds of many species and pro-vides shelter to communities of microorganisms that decompose organic matter, thus improving the physical and chemical properties of soil (HOLANDA et al, 2015). For these reasons, the presence of litter is considered an indicator of degraded areas recovery and is the subject of comparative studies between ecosystems (CALDEIRA et al, 2013;CUNHA NETO et al, 2013;SILVA et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Production and decomposition of litter in different mahogany (Swietenia macrophylla King) cropping systems

Correia¹,

Martins²,

Oliveira³

et al. 2018

RCM

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The objective of this work was to evaluate the litter production and decomposition in three mahogany (Swietenia macrophylla King) systems in the northeastern Pará region. The treatments were: T1-mahogany consortium with forest species; T2-homogeneous plantation of mahogany; and T3-secondary forest enriched with mahogany. Collectors of 1 m 2 opening were used to collect the litter produced monthly for a year. Evaluations were performed monthly for one year. The decomposed litter was estimated by means of the relation between the litter produced and the litter accumulated in the soil. The litter deposition dynamics did not present a significant correlation with variations in rainfall and average temperature. The homogeneous mahogany plantation produced more litter (5.6 Mg ha-1 year-1) with the leaf fraction being the most representative. The decomposition and renewal of litter did not differ between the three mahogany environments. The pure Brazilian mahogany plantation produced a larger amount of litter compared to the other planting systems, with the leaf fraction presenting the highest percentage contribution.

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Deposition and nutritional quality of the litter of pure stands of Eucalyptus camaldulensis and Acacia mangium

Cited by 9 publications

References 30 publications

Arbuscular Mycorrhizal Fungi and Soil Quality Indicators in Eucalyptus genotypes With Different Drought Tolerance Levels

Arbuscular Mycorrhizal Fungi and Soil Quality Indicators in Eucalyptus genotypes With Different Drought Tolerance Levels

NUTRIENT RETURN THROUGH LITTERFALL IN A Eucalyptus dunnii Maiden STAND IN SANDY SOIL

Production and decomposition of litter in different mahogany (Swietenia macrophylla King) cropping systems

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