Biomass and nutrient allocation to aboveground components in fertilized Eucalyptus saligna and E. urograndis plantations

Viera, Márcio; Schumacher, Mauro Valdir; Bonacina, Darlan Michel; Ramos, Luiz Otavio de Oliveira; Rodríguez‐Soalleiro, Roque

doi:10.1007/s11056-017-9572-x

Cited by 17 publications

(12 citation statements)

References 31 publications

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“…In an experiment with E. saligna and E. urophylla × E. grandis at 18 months of age, the authors observed that even at an early age the contribution of the wood component to biomass was the largest relative to total aerial biomass, while the contribution from the bark component was the lowest. The average proportions were 41.5 and 37.4% for the wood and 7.5 and 7.1% for the bark, for E. saligna and E. urophylla x E. grandis, respectively [22].…”

Section: Aboveground Biomassmentioning

confidence: 93%

Biomass and Stock of Nutrients in Different Genotypes of Eucalypts in Southern Brazil

Santos

Schumacher

Ludvichak

et al. 2019

JEAI

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The objective of this study was to estimate the biomass, nutrient stocks, and nutrient utilization efficiency of six genotypes of eucalypts at 49-months-old. The experiment was conducted in Eldorado do Sul (Climate of the region is characterized as subtropical humid - Cfa; and the soil in the experimental area is the Red-Yellow Argissol), Rio Grande do Sul, Brazil. The selected trees were fractionated into leaves, branches, stembark and stemwood. The amount of total biomass ranged from 68.40 to 117.52 Mg ha-1, with the highest production being hybrid Eucalyptus urophylla x E. globulus, and E. dunnii the lowest. The canopy (leaves and branches) accumulated between 17% and 52% of the total macronutrients in E. benthamii (Provenance 1) and hybrid E. urophylla x E. globulus and from 24% to 34% of the total micronutrients in E. dunnii and hybrid E. urophylla x E. globulus. While the stem (wood and bark) accumulated between 48 to 83% and 66 to 76% of the total macro and micronutrients, respectively. For the stemwood, it was observed that E. benthamii (Provenance 2) presented the highest values of nutritional efficiency for N, Ca, Cu and Fe, and hybrid E. urophylla x E. globulus for P, Mg and B. The different eucalypts genotypes, under the same edaphoclimatic conditions, presented different biomass production.

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Section: Aboveground Biomassmentioning

confidence: 93%

Biomass and Stock of Nutrients in Different Genotypes of Eucalypts in Southern Brazil

Santos

Schumacher

Ludvichak

et al. 2019

JEAI

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“…These variations of N:P ratio and P concentration might be caused by the different nutrient use strategies at different growth stages of the trees on larch plantations. Some previous studies reported that nutrient use efficiency and retranslocation efficiency in older stands were significantly higher than those in young stands [24][25][26]. Therefore, older larches tend to decrease P concentration in leaves and resorb more P with forest development.…”

Section: Variations Of Larch N:p Ratio Pre P Concentration and P Amentioning

confidence: 89%

Distribution Changes of Phosphorus in Soil–Plant Systems of Larch Plantations across the Chronosequence

Zeng

Chen

Huang

et al. 2018

Forests

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Phosphorus (P) is one of the most important factors influencing the growth and quality of larch plantations. A systematic knowledge of the dynamic changes of P in soil-plant systems can provide a theoretical basis for the sustainable development of larch plantations. We determined the concentration, biomass, and accumulation of P in five tree components (i.e., leaf, branch, bark, stem, and root), and the concentrations of various soil P fractions of larch plantations in 10-, 25-, and 50-year-old stands in northeast China. Our results showed that the N:P ratio and P concentration in leaves increased with stand age, indicating that the growth of larch plantations might be limited by P in the development of stands. The N:P ratio and P concentration in roots, and P resorption efficiency, increased with stand age, indicating the use efficiency of P could be enhanced in older stands. The concentrations of soil-labile P fractions (Resin-P, NaHCO 3 -Pi, and NaHCO 3 -Po) in 25and 50-year-old stands were significantly lower than those in 10-year-old stands, indicating the availability of soil P decreases with the development of larch plantations.

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“…ISSN eletrônico 1982 10.5380/rf.v50 i2. 63752 1359Eucalyptus urograndis (VIERA et al, 2017). The genetic factor may not be a condition that explains the responses to fertilization.…”

Section: Biomass and Carbonmentioning

confidence: 99%

“…In the trees of Eucalyptus dunnii and other species, stemwood represents the largest biomass proportion and distribution pattern of the other components, which is characterized by greater number of branches in detriment to stembark, was observed in young eucalyptus plantations (VIERA et al, 2017;SILVA et al, 2013). As the trees grow, there is natural pruning and amount of stembark will increase (VIERA et al, 2013).…”

Section: Biomass and Carbonmentioning

confidence: 99%

“…In Eucalyptus silviculture, fertilization can influence the biomass production and nutrient allocation (SILVA et al, 2013), added to climatic conditions, location, water availability (STAPE et al, 2010), age, species (LACLAU et al, 2000) and soil class (VIERA et al, 2017). In this study, the hypothesis that the fertilizer dose does not alter the biomass production, carbon stock and nutrients in Eucalyptus dunnii trees was tested.…”

Section: Introductionmentioning

confidence: 97%

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EFFECT OF INCREASING THE FERTILIZER DOSE ON BIOMASS PRODUCTION OF Eucalyptus dunnii Maiden

Dick

Schumacher

Araújo

2020

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With the recent expansion of Eucalyptus dunnii Maiden cultivation in central region of Rio Grande do Sul state, recurrent questions arise from both research and operational silviculture, especially in relation to mineral fertilization. The objective of this study was to test the effect of fertilizer dose increase (150, 225 and 450 g plant-1 of N-P2O5-K2O, in 24:00:24 proportion) on the biomass production, carbon stock and nutrients in Eucalyptus dunnii trees cultivated in dystrophic Inceptisol, in central region of Rio Grande do Sul state, Brazil. This study revealed that there is no effect of the fertilizer dose increase on the accumulation of biomass, carbon and nutrients in components of Eucalyptus dunnii trees. The nutrients were more concentrated in leaves; in stemwood there was greater stock of carbon and potassium; in branches and stembark the calcium prevailed. Due to the significant biomass production, regardless of fertilizer dose, aiming at reducing costs and environmental impacts, it is recommended to apply mineral fertilization with 150 g plant-1 of N-P2O5-K2O, in 24:00:24 proportion, in Eucalyptus dunnii stand cultivated in dystrophic Inceptisol, in central region of Rio Grande do Sul state, Brazil.

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Biomass and nutrient allocation to aboveground components in fertilized Eucalyptus saligna and E. urograndis plantations

Cited by 17 publications

References 31 publications

Biomass and Stock of Nutrients in Different Genotypes of Eucalypts in Southern Brazil

Biomass and Stock of Nutrients in Different Genotypes of Eucalypts in Southern Brazil

Distribution Changes of Phosphorus in Soil–Plant Systems of Larch Plantations across the Chronosequence

EFFECT OF INCREASING THE FERTILIZER DOSE ON BIOMASS PRODUCTION OF Eucalyptus dunnii Maiden

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