Productivity of Soybean Submitted to Different Sources of Boron With Foliar Application in Lowland Irrigated in the State of Tocantins

Varanda, Marco Antônio Ferreira; Capone, Aristoteles; Menegon, Mateus Zatt; Almeida, Marony Pereira; Barros, Hélio Bandeira

doi:10.3738/1982.2278.2728

Nucleus

2018

DOI: 10.3738/1982.2278.2728

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Productivity of Soybean Submitted to Different Sources of Boron With Foliar Application in Lowland Irrigated in the State of Tocantins

Marco Antônio Ferreira Varanda

Aristoteles Capone

Mateus Zatt Menegon

et al.

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Cited by 4 publications

References 11 publications

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Doses de potássio e boro em cobertura no desempenho produtivo da soja

Bazzo¹,

Santos²,

Marinho³

2021

Agrarian

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A adubação mineral com nutrientes, como o potássio e o boro, tem se destacado no alcance de elevadas produtividades na cultura da soja. Neste sentido, objetivou-se avaliar o efeito de doses de potássio e boro aplicadas em cobertura sobre o crescimento, os componentes de rendimento e a produtividade de grãos de soja. O experimento foi conduzido em campo com a cultivar DM66i68, em delineamento experimental de blocos casualizados, na safra 19/20. Os tratamentos consistiram de cinco doses de fertilizante contendo potássio e boro (0, 50, 100, 150 e 200 kg ha-¹), divididos em quatro blocos. A aplicação do fertilizante favoreceu a massa de mil grãos e a produtividade de grãos, mas não influenciou a altura, o número de vagens e grãos por planta e o número de grãos por vagem. A dose de 100 kg ha-1 do fertilizante, contendo potássio e boro em sua composição, aplicada em cobertura é a mais indicada, pois proporciona maior produtividade de grãos de soja.

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Doses de potássio e boro em cobertura no desempenho produtivo da soja

Bazzo¹,

Santos²,

Marinho³

2021

Agrarian

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Correlations between morpho-agronomic characters of soybean supplemented via leaf with micronutrients

Ferreira¹,

Carvalho

Loro

et al. 2022

Agron. Sci. Biotechnol.

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The use of foliar fertilizers has become the main innovation in the field of plant mineral nutrition. And the use of these micronutrients associated with multivariate tools can contribute to the technical development of agribusiness, especially in soybean. Therefore, the aim of this study was to verify the possible correlations between morpho-agronomic characters of soybean supplemented via leaf with micronutrients. The study was conducted under field conditions in the county of Mineiros, GO, Brazil. The experimental design used was in randomized blocks in a 3x5 factorial scheme corresponding to three soybean genotypes (Anta82, CD2737 and N7902) and five concentrations of leaf supplement, Triplus Anuais® with its guarantees of phosphorus 2%, boron 3.4%, molybdenum 1% and 0.35% nickel. The leaf supplement was applied in a single dose during pre-flowering (0, 300, 600, 900 and 1200 ml ha-1). The highest yield potential was observed in the NS 7209 IPRO genotype at doses of 300 and 600 ml of leaf supplementation via Triplus Anuais. In addition, field adjustments to increase the averages of pods with two grains, grains per plant and mainly pods per plant, can increase the yield of genotypes.

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Borated Fertilizations via Foliar and Soil for Peanut Production during the Sugarcane Reform

et al. 2023

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The sugarcane area expansion is promoting peanut production where the peanut is planted during the sugarcane reform in soils with low boron (B) content. This study aimed to monitor: (i) the efficiency of B application via soil and foliar on peanut yield parameters; (ii) the right B rate and source to increase peanut production; and (iii) the B leaching in the tropical soil. Methods: Two experiments were run in an area of sugarcane reform in São Paulo, Brazil. Study 1 applied foliar B (Bm, source: monoethanolamine) using rates from 250 to 1500 g ha−1, while study 2 applied soil B (Boct, source: sodium octaborate; rates) using rates of 0.5 (Boct0.5) to 1.0 kg ha−1 (Boct1.0), associated with foliar B (Bba, boric acid) with rates from 250 to 1500 g ha−1. Peanut yield parameters were measured, and an incubation study monitored soil B leaching. In both studies, isolated foliar Bba and Bm rates improved linearly the 100-grains yield of peanuts with an average of 74 g, while foliar Bba rates increased the grain yield. When there was an association between soil and foliar B, the optimal rates of Bba ranged from 700 to 900 g ha−1 at Boct0.5, while the optimal rates ranged from 400 to 700 g ha−1 at Boct1.0. Soil B leaching was lower in Boct < Bm < Bba with 19%, 24%, and 22% of leached-B, respectively. All sources increased leaf B indicating the B was absorbed by plants with a positive effect on leaf contents of calcium, potassium, nitrogen, and phosphorus. Based on the results, we conclude that the association of Bba (foliar) + Boct (soil) was shown to be the better alternative for increasing the peanut yield parameters and nutrient balance in leaves.

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Productivity of Soybean Submitted to Different Sources of Boron With Foliar Application in Lowland Irrigated in the State of Tocantins

Cited by 4 publications

References 11 publications

Doses de potássio e boro em cobertura no desempenho produtivo da soja

Doses de potássio e boro em cobertura no desempenho produtivo da soja

Correlations between morpho-agronomic characters of soybean supplemented via leaf with micronutrients

Borated Fertilizations via Foliar and Soil for Peanut Production during the Sugarcane Reform

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