Efeito de reguladores de crescimento na maturação dos frutos e qualidade da bebida de café

Rodrigues, João Paulo; Salomão, Pedro Emílio Amador; Freitas, Silvério de Paiva; Rodrigues, Weverton Pereira; Struiving, Tiago Barbosa; Vale, Paula Adrielly Souza

doi:10.33448/rsd-v8i6.1026

Cited by 4 publications

(1 citation statement)

References 22 publications

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“…Segundo Costa et al (2004), os sólidos solúveis totais exercem uma importante função quando se trata da qualidade do fruto, uma vez que influenciam propriedades biológicas, químicas e termofísicas do fruto. Uma maior quantidade de SST é desejada tanto pelo ponto de vista do rendimento industrial, quanto pela sua contribuição para assegurar o corpo da bebida (RODRIGUES et al, 2019). Houve diferença significativa para teores de SST entre os tratamentos (Tabela 6).…”

Section: Resultsunclassified

Evaluation of harvest yield and beverage quality of coffee under ethylene application

Gois

Ferreira

Gois³

et al. 2023

R. Agrogeoambiental

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The coffee plant is characterized by the irregular ripening of its fruits. This uneven ripening often makes it impossible to optimize its harvest, since green fruits are more adhered to the plant than those in the ripe and overripe stages. In addition, it can influence the final product’s beverage quality. The use of ethylene is an alternative to optimize and increase the harvest yield of coffee, besides reducing expenditures on labor and post-harvest ground picking. This study was carried out to examine the harvest yield of coffee variety Mundo Novo IAC 379/19 under different ethylene rates as well as to analyze beverage quality in the different treatments. The experiment was laid out in a randomized-block design with four treatments (ethylene rates: 0, 300, 500, or 700 mL ha-1). The plots consisted of nine plants and three replications, but only the three central plants were evaluated. Results were analyzed by Tukey’s test at a significance level of 5%. The rates of 700 and 300 mL ha-1 provided the lowest amount of green fruits, whereas the percentage of ripe fruits was equivalent between treatments. The treatment with 700 mL ha-1 resulted in the highest percentage of fruits in the overripe stage, among the evaluated rates. Ethylene use did not increase harvest efficiency. Control treatment provided a significantly higher number of green fruits. Additionally, the use of ethylene-induced changes in the chemical composition of the bean and beverage quality.

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Section: Resultsunclassified

Evaluation of harvest yield and beverage quality of coffee under ethylene application

Gois

Ferreira

Gois³

et al. 2023

R. Agrogeoambiental

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Estudo da influência das queimadas nas propriedades química e banco de sementes dos solos do Vale do Mucuri

Salomão

Hirle

2019

RSD

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The objective of this study was to evaluate the effects of controlled burning on chemical properties and soil seed bank in the area of Brachiaria decumbens pasture in the mucuri valley region, by means of a scientific experiment. Soil samples reached a depth of 5 cm for the evaluation of nutrient levels after the action of the flames, and also for seed bank evaluation, were made 5 samples of 20 cm² with an average depth of 5 cm in the control soil. in the soil subjected to burning. The fire acted as a mineralizing agent of the vegetation cover, turning it into rich P, K, Ca and Mg ashes available for the remaining plants. PH levels increased in relation to oxide formation and decreased potential soil acidity. While organic matter, its values remained higher within three months after the incidence of the burn in relation to the soil destined to the control. In relation to the soil seed bank, fire may negatively affect seed viability indices and species diversity on site, or even beneficially, as a dormancy breaking agent of some plant species. In general, fire acted negatively on the percentage of seedlings, reducing about 21.62% in relation to the soil destined for the control. However, the use of fire did not alter seed bank diversity, where 7 species were found in the control soil and 8 species in the burnt soil.

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Avaliação da sustentabilidade da pecuária em propriedades rurais no município de Malacacheta

Salomão

Nery

Pereira

2020

RSD

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Agriculture and livestock have a strong participation in the Brazilian economy, and since the 70s improvements in the sector's production pattern, through the intensification of the use of technologies in the production process, have led to a significant increase in productivity. Given the need to keep the farmer in the field, and given the degradation of pastures, the management of rural property, seeking to reconcile production with the conservation of natural resources is essential for the sustainability of the activity. The ISA tool - Sustainability Indicators in Agroecosystems - is an integrated system that verifies the socioeconomic and environmental performance of rural properties, is in the public domain, and was institutionalized in the state of Minas Gerais, in 2012. This work aimed to evaluate sustainability cattle, through a diagnosis of social, economic and environmental balance of two rural properties, located in the city of Malacacheta-MG, using the ISA tool. With the results obtained, it is intended to assist the rural producer, pointing out critical points to be corrected immediately and comparing the results by assessing which activity is more sustainable, dairy or beef cattle. The study presented for the livestock and beef cattle properties the sustainability indexes 0.50 and 0.53, respectively, where there is a range from 0 to 1, considering 0.7 the reference value for the proper functioning of the agroecosystem and to define it as sustainable. Based on the data collected, this paper aims to show how to maintain a sustainable property in an environmentally sound manner.

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Efeito de reguladores de crescimento na maturação dos frutos e qualidade da bebida de café

Cited by 4 publications

References 22 publications

Evaluation of harvest yield and beverage quality of coffee under ethylene application

Evaluation of harvest yield and beverage quality of coffee under ethylene application

Estudo da influência das queimadas nas propriedades química e banco de sementes dos solos do Vale do Mucuri

Avaliação da sustentabilidade da pecuária em propriedades rurais no município de Malacacheta

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