Danos causados por bovinos em clones de eucalipto em sistema silvipastoril na região amazônica

Gonçalves, Raquel Talita Chagas Finco; Souza, Felippe Coelho de; Gonçalves, Roberto de Jesus Fabbrocini; Gomes, N. S. B.; Cruz, Caio Gabriel Santos da; Sales, Elsilene Thaynara Melo

doi:10.5902/1980509847224

Cited by 2 publications

References 5 publications

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Agrossilvipastoril systems such as timber production options and carbon stock

Lima,

Ranzini,

Nicodemo

et al. 2024

Preprint

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In Agrossilvipastoril systems trees are cultivated together with agricultural crops or animals, aiming at multiple uses therefore constituting a viable option for better soil use. Thus, reversing the processes of degradation of natural resources, to increase the availability of wood, food and environmental services and emerging as a sustainable alternative to the currently used wood production systems. Here we investigate the effect of the Silvi-agricultural and Silvi-pastoral systems on dendrometric data, mean annual increment (MAI), CO2 sequestration, wood density and anatomical features of Croton floribundus and Guazuma ulmifolia trees. The highest values of DBH (1.3 m from the ground), tree volume, volume per ha and MAI were observed in the silvi-agricultural system. Among the systems, Croton floribundus presented higher values compared to Guazuma ulmifolia in the silvi-agricultural system. While in the silvi-pastoral system, greater DBH and consequently greater volume of trees, volume per ha and MAI occurred in G. ulmifolia when compared to C. floribundus. CO2 sequestration values corroborated the MAI, with higher values in the silvi-agricultural system. Wood properties are affected in part by the type of system. We report shorter fibers with thicker walls in the silvi-agricultural system for Croton floribundus. Additionally, we show that it is possible to associate the planting of short-cycle crops with the production of trees to obtain wood, increase the carbon stock and still be aligned with the criteria of Environmental, Social, and Governance. Results that encourage the practice of agroforestry systems with multiple sources of income.

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Agrossilvipastoril systems such as timber production options and carbon stock

Lima,

Ranzini,

Nicodemo

et al. 2024

Preprint

View full text Add to dashboard Cite

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Capacidade De Brotação De Dois Clones De Eucalipto Em Sistema Silvipastoril No Sudoeste Da Amazônia

Dos Santos Miranda,

Coelho de Souza,

Casagranda

2023

NAT

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O objetivo deste trabalho foi avaliar a capacidade de brotação de dois clones de eucalipto sob diferentes níveis de adubação em sistema silvipastoril no sudoeste da Amazônia. O povoamento onde se conduziu a brotação foi implantado em dezembro de 2018 em Capixaba, Acre. As árvores foram submetidas a decepa em dezembro de 2021. O delineamento estatístico foi inteiramente casualizado em esquema fatorial de 2 (clones) x 3 (níveis de adubação), com três repetições e seis tratamentos. Os tratamentos com o cloneVM01 demonstraram valores de sobrevivência acima de 95%, o que evidencia boa adaptação às condições ambientais da região. Os tratamentos do clone I144 apresentaram sobrevivência abaixo de 55% na última avaliação. Verificou-se forte correlação de diâmetro da cepa (dt) com sobrevivência (R), número de brotos (NB) e altura das brotações (H), o que contribuiu para que os tratamentos com o clone VM01 apresentassem os maiores valores para R, NB e H. A diferenciação nas doses de NPK aplicadas não resultou em variações (p>0,05) no crescimento inicial e nos tecidos foliares. A condução da brotação mostrou-se um método promissor para o clone VM01, enquanto para o manejo do clone I144, esta técnica não deve ser recomendada para a região do estudo. Palavras-chave: talhadia; integração pecuária floresta; Eucalyptus spp; sistemas agroflorestais. Sprouting capacity of two eucalyptus clones in silvopastoral system in Southwest Amazonia ABSTRACT: The objective of this work was to evaluate the sprouting capacity of two eucalyptus clones under different levels of fertilization in a silvopastoral system in southwest Amazonia. The stand where budding was conducted was implanted in December 2018 in Capixaba, Acre. The trees underwent felling in December 2021. The statistical design was completely randomized in a factorial scheme of 2 (clones) x 3 (fertilization levels), with three replications and six treatments. Treatments with cloneVM01 showed survival values above 95%, which shows good adaptation to the environmental conditions of the region. Clone I144 treatments showed survival below 55% in the last evaluation. There was a strong correlation between vine diameter (dt) and survival (R), number of shoots (NB) and height of shoots (H), which contributed to the fact that treatments with clone VM01 presented the highest values for R, NB and H. Differentiation in applied NPK doses did not result in variations (p>0.05) in initial growth and leaf tissues. Sprouting proved to be a promising method for clone VM01, while for the management of clone I144; this technique should not be recommended for the study region. Keywords: coppice; forest livestock integration; Eucalyptus spp; agroforestry systems.

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Danos causados por bovinos em clones de eucalipto em sistema silvipastoril na região amazônica

Cited by 2 publications

References 5 publications

Agrossilvipastoril systems such as timber production options and carbon stock

Agrossilvipastoril systems such as timber production options and carbon stock

Capacidade De Brotação De Dois Clones De Eucalipto Em Sistema Silvipastoril No Sudoeste Da Amazônia

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