Acúmulo de Nutrientes e Matéria Seca pelo Milho em Função do Manejo do Solo e da Adubação Nitrogenada

Vitória, E.L.; Fernandes, H.C.; Lacerda, E.G.; Rosado, Thiago Lopes

doi:10.13083/1414-3984.v20n02a02

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“…Increments in N accumulation as a function of N doses were also obtained in the aerial part of the maize plants (leaves, stems, cob, straw, and grains) by Gava et al [21]. There are other results that also show that increases in N doses caused higher development and yield of corn plants [21,22].…”

Section: Discussionmentioning

confidence: 76%

Silicon, Potassium and Nitrogen Accumulation and Biomass in Corn under Hydroponic Conditions

González¹,

Prado²,

Campos³

2022

Maize Genetic Resources - Breeding Strategies and Recent Advances

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The aim of the research was to evaluate the effect of the interaction of silicon, potassium, and nitrogen on the foliar area, the accumulation of these elements in the aerial part and the dry biomass in corn plants. The research was developed under hydroponic conditions in Jaboticabal Sao Pablo, Brasil using the 30A77HX hybrid. Two silicon concentrations were evaluated (0 and 2 mmol L−1); two concentrations of potassium (1 and 12 mmol L−1) and four nitrogen concentrations: (1, 10, 15, and 20 mmol L−1). A completely randomized design was used, with factorial arrangement 2 × 2 × 4 and three replications. The foliar area, the dry biomass and, nitrogen, potassium, and silicon content were determined. The application of silicon at a high concentration of K causes an increase in the accumulation of K, which is reflected in an increment of the total dry biomass in the plants of corn, while excess and a deficit of N diminish the accumulation of Si in the aerial part of the plant, which is more evident at a low concentration of K in the nutritious solution, affecting the accumulation of the total dry biomass.

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Section: Discussionmentioning

confidence: 76%