Balanced mixture of biochar and synthetic fertilizer increases seedling quality of Acacia mangium

Moreno, Giovanni Reyes; Fernández, María Elena; Contreras, Enrique Darghan

doi:10.1016/j.jssas.2021.04.004

Cited by 5 publications

(4 citation statements)

References 38 publications

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“…Following the same trend, plants irrigated with T 1 and T 2 showed higher DQI under the conditions C 2 and C 1 , respectively. Indices such as the DQI, which combine the allometric variables of the plant, are used and proven to serve as predictors for the establishment of seedling development [ 52 ]; the higher the value of this index, the better the quality of the seedling produced.…”

Section: Resultsmentioning

confidence: 99%

Production of forest seedlings using sewage sludge and automated irrigation with ozonated cattle wastewater

Silva

Mendonça²,

Conforto³

et al. 2022

PLoS ONE

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The large volume of effluents generated by intensive cattle production can become an environmental problem, requiring solutions that combine treatment and disposal of reuse water. The quality of cattle wastewater (CWW) treated by ozonation, the water requirement and its effect on the growth of seedlings of Dalbergia nigra cultivated with sewage sludge were determined under different light conditions. The study was carried out in a split plot scheme with 2 shading levels (0%—C1, and 49.4% attenuation—C2) and 3 types of irrigation water (control–T1, 1 h ozonation–T2, and 2 h–T3), with 4 repetitions. Direct sowing was realized into 280 cm3 tubes which were irrigated by drip irrigation with automatic management. The height and collar diameter were measured every 21 days, and at the end of the nursery phase, and the Dickson quality index (DQI) and irrigation water productivity (WPir) were determined. In addition, seedlings were transplanted in a forest restauration area (FRA) of Atlantic Forest, with height and diameter monitoring for 200 days. With ozonation, there was an increase in pH and a reduction in electrical conductivity, total solids and turbidity in the CWW, allowing its use for irrigation of forest seedlings. The maximum volumes of water applied were 2.096 and 1.921 L plant-1, with water supply T2 and T1, respectively, and coverages C1 and C2. In these conditions, the seedlings reached DQI of 0.47 and 0.17, and WPir of 2.35 and 1.48 g L-1, respectively. The initial vegetative growth of the seedlings planted in the FRA was benefited by the nutrients provided by the CWW treated. Therefore, the use of sewage sludge and CWW treated has the potential to produce forest seedlings, reducing the release of waste and effluents into the environment.

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Section: Resultsmentioning

confidence: 99%

Production of forest seedlings using sewage sludge and automated irrigation with ozonated cattle wastewater

Silva

Mendonça²,

Conforto³

et al. 2022

PLoS ONE

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“…Nutrition management is a particularly important topic in the case of forestry plantations, even though in the past it was considered that trees could grow without inputs and in very infertile soils 17 . Nowadays, the use of fertilizers and soil amendments is known to improve growth, development and wood quality 18 , 19 . Also, temperature regimes in the tropics are very high (in the coldest month, > 18 °C) in comparison to other latitudes, which benefits trees by operating at its optimum condition, allowing them to grow faster and making nutrition requirements more critical when water supply is not limiting 20 , 21 .…”

Section: Introductionmentioning

confidence: 99%

Soil characteristics and allometric models for biometric characteristics and nutrient amounts for high yielding “Bolaina” (Guazuma crinita) trees

Arévalo-Hernández,

Arévalo-Gardini,

Correa V.

et al. 2024

Sci Rep

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The Peruvian amazon is very diverse in native forestry species, the Guazuma crinita “Bolaina” being one of the most planted species in the country; however, little or no information about soil requirements and nutrient demands is known. The objective of this work was to assess the general conditions of soil fertility, biomass and macro- and micronutrient amounts in high-productivity Guazuma crinita plantations. Fields of high yielding Bolaina of different ages (1–10 years) were sampled in two regions. Soil and plant samples were collected in each field and biometric measurements of fresh weight, diameter at breast height and height were performed. For soil and plant analysis, both macro- (N, P, K, Ca, Mg, S) and micronutrients (B, Cu, Fe, Mn, Zn) were determined. Finally, allometric equations were constructed for biometric and nutrient amounts. This study is the first to assess and model macro- and micronutrient amounts in the productive cycle in this species, which grows in fertile soils. In the case of biometric equations, the logarithmic and logistic models performed better. For nutrient amounts, this species followed a pattern of Ca > N > K > P > S > Mg for macronutrients and Fe > B > Mn > Zn > Cu for micronutrients. The best prediction models for nutrients were the square root and logistic models.

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“…Therefore, adequate nutrition and substrate are needed to maintain adequate growth and tolerance for abiotic and biotic stress (Marrocos et al, 2020;Neto et al, 2015). The main characteristics of an adequate substrate are good physical conditions and nutrients to sustain the plants during the nursery stage, being the first three months important for good root growth and nutrient acquisition (Reyes Moreno et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Effect of oil palm compost and sandy soil on the growth of cacao (Theobroma cacao L.) seedlings

Tuesta,

Rafael-Rutte

et al. 2024

Agron. Mesoam.

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Introduction. Low-fertility soils and high logistics costs for seedling production characterize the Peruvian Amazon. Objective. To evaluate the effect of a combination of sandy soil and oil palm compost on substrate, growth, and nutrition of cocoa seedlings under greenhouse conditions. Materials and methods. The experiment was conducted for 90 days in Yurimaguas-Loreto using a completely randomized design in a 5x5 matrix, with five doses of Oil Palm Compost and Sandy Soil to determine the best combination for cocoa growth and nutrition. Height (cm), diameter (mm), leaf area (cm2), dry weight of stem and root were measured; soil chemical analysis and plant analysis (macro and micronutrients) were also conducted. Results. Sandy soil showed no significant effect on cocoa seedlings, while treatments with oil palm compost promoted shoot and root biomass. Additionally, this compost favored conditions for seedling growth by promoting higher organic matter, available phosphorus, exchangeable calcium, potassium, and higher cation exchange capacity. Regarding cocoa nutrition, it promoted greater absorption of macro and micronutrients in cocoa seedlings. Conclusions. These results indicate that the best treatment was the one composed entirely of oil palm compost, as it promotes growth and nutrition by improving substrate conditions.

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Balanced mixture of biochar and synthetic fertilizer increases seedling quality of Acacia mangium

Cited by 5 publications

References 38 publications

Production of forest seedlings using sewage sludge and automated irrigation with ozonated cattle wastewater

Production of forest seedlings using sewage sludge and automated irrigation with ozonated cattle wastewater

Soil characteristics and allometric models for biometric characteristics and nutrient amounts for high yielding “Bolaina” (Guazuma crinita) trees

Effect of oil palm compost and sandy soil on the growth of cacao (Theobroma cacao L.) seedlings

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