Teores E Acúmulos De Nutrientes Em Mudas De Maracujazeiros Sob Salinidade Hídrica E Uso De Urina De Vaca

Freire, José Lucínio de Oliveira; Nascimento, Gislaine dos Santos; Medeiros, Ana Karoliny de Assis

doi:10.31413/nativa.v8i4.10103

Cited by 6 publications

(6 citation statements)

References 32 publications

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“…It should also be noted that excess soluble salts in the soil solution cause a nutritional imbalance due to the effect of reducing the osmotic potential, decreasing the absorption of nutrients and water [49]. A similar trend to the data in this study was reported by [3], when they investigated the use of brackish water in the cultivation of beet in soil fertilized with 100% of the phosphate fertilizer without microorganisms.…”

Section: Post-harvest and Yieldsupporting

confidence: 89%

Brackish Water, Phosphate Fertilization and Trichoderma in the Agronomic Performance of Beet Crops

Barbosa,

Silva,

Sousa

et al. 2024

Agronomy

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The study hypothesis proposes that the use of Trichoderma, associated with fertilization with 100% of the recommended phosphorus, may mitigate saline stress and maximize the productivity and quality of the tuberous root. This study aims to evaluate the mitigating effects of phosphate fertilization and Trichoderma harzianum in beet plants under salt stress, by measuring the initial growth, leaf gas exchange, productivity and quality of the beet. The experimental design used was entirely randomized, in a 3 × 2 × 2 factorial scheme, referring to three doses of phosphate fertilization (25%, 50% and 100%), with and without the use of Trichoderma-based inoculation, and two levels of electrical conductivity of the irrigation water (0.5 and 6.2 dS m−1). Salt stress negatively affected the leaf area of the beet. The shoots’ dry mass was reduced as the electrical conductivity of the irrigation water increased, especially in the treatment with the 25% P2O5 dose. Salt stress reduced photosynthesis to a greater extent at the 25% P2O5 dose and in the absence of Trichoderma harzianum. Increasing the electrical conductivity of the irrigation water reduced transpiration and increased leaf temperature at the 25% P2O5 dose and in the presence of Trichoderma harzianum. The 25% P2O5 dose increased the stomatal conductance of the beet. The higher electrical conductivity of the irrigation water negatively affected water use efficiency, most significantly at the 25% P2O5 dose. Our data showed that the doses of 50% and 100% P2O5 were more efficient at increasing the productivity and quality of the beet, with the tuberous root diameter being higher under the lower electrical conductivity of the water and the absence of Trichoderma harzianum. The pH was high under the lowest electrical conductivity of the water, with a dose of 25% P2O5 and the absence of Trichoderma harzianum.

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Section: Post-harvest and Yieldsupporting

confidence: 89%

Brackish Water, Phosphate Fertilization and Trichoderma in the Agronomic Performance of Beet Crops

Barbosa,

Silva,

Sousa

et al. 2024

Agronomy

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“…The effects of sodium on soil structure also reduces its capacity to store water, thus affecting plant growth, water absorption, and nutrition. It is important to consider that competitive interaction of the saline ions Na + and Clwith nutrients can affect the Cl -/NO 3 -, Na + /Ca +2 , and Na + /K + ratios in the root medium (Freire et al, 2020).…”

Section: Resultsmentioning

confidence: 99%

Organic matter and shading on ion accumulation in soil cultivated with noni under salinity

Souza

Oliveira

Costa

et al. 2022

Rev. bras. eng. agríc. ambient.

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This study aimed to evaluate the influence of organic matter on the salt accumulation in three layers of soil cultivated with noni plants irrigated with brackish water, in open field and under partial shading conditions. The experimental design was in randomized blocks, arranged in a split-split-plot scheme with five replicates. The plots were constituted by the cultivation environments (open and shaded field), the subplots by the electrical conductivity of the irrigation water (0.3, 1.5, 3.0, 4.5, and 6.0 dS m-1), and the sub-subplots by the absence and presence of organic matter. At 110 days after application of the treatments, the electrical conductivity of the saturation extract and the potassium, sodium, calcium, and magnesium concentrations were determined in three soil layers (0-10, 10-20, and 20-30 cm). Partial shading reduced the total accumulation of salts and sodium in the soil compared to the open field. Increasing the electrical conductivity of irrigation water reduced potassium concentrations in the soil, but this effect is offset by the addition of organic matter, which releases potassium, calcium, and magnesium for plant nutrition. However, cattle manure increases sodium accumulation in the soil in treatments with the highest water salinity.

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“…Resultados de pesquisas mostram controvérsias quanto aos efeitos da salinidade na absorção do nutriente fósforo. Freire et al (2020) observaram que a salinidade reduz a concentração de P nos tecidos das plantas. Todavia, há pesquisas que mostram aumento (Navarro et al, 2001) ou nenhum efeito da salinidade sobre o acúmulo desse nutriente (RASHAD; HUSSIEN, 2014).…”

Section: Discussionunclassified

Extração De Nutrientes Por Variedades De Sorgo Forrageiro Irrigadas Com Efluente Salino Da Piscicultura

Guimarães,

Simões,

Salviano

et al. 2024

NAT

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A utilização de água com altos teores de sais pode causar desequilíbrio nutricional e redução na produtividade das culturas. Nesse contexto, o objetivo do trabalho foi avaliar a extração de nutrientes de três variedades de sorgo forrageiro cultivadas sob diferentes lâminas de irrigação com efluente salino da piscicultura. O experimento foi conduzido em condições de campo, sendo os tratamentos provenientes de um esquema fatorial 3x4, com três variedades de sorgo forrageiro (Volumax, F305 e Sudão) e quatro frações de lixiviação (0; 5; 10 e 15%), dispostos em parcelas subdivididas com quatro blocos. As parcelas foram compostas pelas frações de lixiviação e as subparcelas pelas variedades. Aos 93 dias após o plantio, foram coletadas 10 plantas para a determinação da produção de matéria seca e dos teores de N, P, K, Ca, Mg, Na, Fe, Cu, Zn e Mn. Foram avaliados os totais extraídos e a distribuição dos nutrientes na planta. A variedade F305 extraiu quantidades intermediárias de nutrientes em relação às demais, sendo a variedade Sudão a que apresentou uma maior extração. O uso de fração de lixiviação influencia a quantidade de nutrientes extraídos, alterando sua distribuição nas diferentes partes da planta de sorgo forrageiro. Palavras-chave: Sorghum bicolor Moench; acúmulo de minerais; reuso de água; salinidade. Nutrient extraction by forage sorghum varieties irrigated with saline fish farming effluent ABSTRACT: The use of water with high levels of salts may cause nutritional imbalance and reduction in crop productivity. In this context, the objective of the work was to evaluate the nutrient extraction of three varieties of forage sorghum cultivated under different irrigation slopes with saline effluent from pisciculture. The experiment was conducted under field conditions, and the treatments came from a 3x4 factorial scheme, with three varieties of forage sorghum (Volumax, F305 and Sudan) and four leaching fractions (0; 5; 10 and 15%), arranged in subdivided plots with four blocks. The plots were composed by the leaching fractions and the subplots by the varieties. At 93 days after planting, 10 plants were collected to determine dry matter production and N, P, K, Ca, Mg, Na, Fe, Cu, Zn, and Mn contents. The total extracted and the distribution of nutrients in the plant were evaluated. The F305 variety extracted intermediate amounts of nutrients in relation to the others, being the Sudão variety the one that presented the greatest extraction. The use of leaching fraction influences the amount of nutrients extracted, altering their distribution in the different parts of the forage sorghum plant. Keywords: Sorghum bicolor Moench; minerals accumulation; water reuse; salinity.

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Teores E Acúmulos De Nutrientes Em Mudas De Maracujazeiros Sob Salinidade Hídrica E Uso De Urina De Vaca

Cited by 6 publications

References 32 publications

Brackish Water, Phosphate Fertilization and Trichoderma in the Agronomic Performance of Beet Crops

Brackish Water, Phosphate Fertilization and Trichoderma in the Agronomic Performance of Beet Crops

Organic matter and shading on ion accumulation in soil cultivated with noni under salinity

Extração De Nutrientes Por Variedades De Sorgo Forrageiro Irrigadas Com Efluente Salino Da Piscicultura

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