Agronomic Performance, Response and Efficient Use of Potassium in Genotypes Corn (Zea mays)

Weder Ferreira dos Santos; Fernando Assis de Assunção; Layanni Ferreira Sodré; Lucas Carneiro Maciel; Magno De Oliveira; Hélio Bandeira Barros; Rubens Ribeiro da Silva; Joênes Mucci Peluzio; Adriano Silveira Barbosa; Talita Pereira de Souza Ferreira

doi:10.9734/jsrr/2019/v25i630202

Research Article Open access CC BY 4.0

Agronomic Performance, Response and Efficient Use of Potassium in Genotypes Corn (Zea mays)

Weder Ferreira dos Santos, Fernando Assis de Assunção, Layanni Ferreira Sodré, Lucas Carneiro Maciel, Magno De Oliveira, Hélio Bandeira Barros, Rubens Ribeiro da Silva, Joênes Mucci Peluzio, Adriano Silveira Barbosa, Talita Pereira de Souza Ferreira

Journal of Scientific Research and Reports · pp. 1–5 · Published 7 Jan 2020

10.9734/jsrr/2019/v25i630202

Abstract

The study aims to select maize for the response and efficiency of the use of potassium (K), in the municipality of Gurupi, state of Tocantins. Two trials of maize genotypes were carried out in Gurupi-TO, in the off-season 2017, one for high K condition and another for K low, applied in coverage. The experimental design of each experiment was a randomized block design with three replicates and seven treatments. The average grain production BK (6997 kg ha−1) was lower than the AK (7787 kg ha−1), which confirms that the application of potassium fertilizers in maize makes this answer the applications collaborating with better yields. The genotype (G3) showed that high yield in BK environment (above the average, 4532 kg ha−1) and low response rate application of paragraph, they are defined as efficient, unresponsive. The genotype G2 was classified as efficient and responsive being indicated for producers of both technological levels.

Nutritional efficiency efficiency indices grain productivity Zea mays L.

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Weder Ferreira dos Santos, Fernando Assis de Assunção, Layanni Ferreira Sodré, Lucas Carneiro Maciel, Magno De Oliveira, Hélio Bandeira Barros, Rubens Ribeiro da Silva, Joênes Mucci Peluzio, Adriano Silveira Barbosa, Talita Pereira de Souza Ferreira (2020). Agronomic Performance, Response and Efficient Use of Potassium in Genotypes Corn (Zea mays). Journal of Scientific Research and Reports , 1–5. https://doi.org/10.9734/jsrr/2019/v25i630202

Affiliations

Weder Ferreira dos Santos — Department of Biodiversity and Biotechnology, Federal University of Tocantins, Farm 69-72 Street, Whiting, Lot 7 s/n - Seville Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Fernando Assis de Assunção — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Layanni Ferreira Sodré — Department of Biodiversity and Biotechnology, Federal University of Tocantins, Farm 69-72 Street, Whiting, Lot 7 s/n - Seville Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Lucas Carneiro Maciel — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Magno De Oliveira — Department of Biodiversity and Biotechnology, Federal University of Tocantins, Farm 69-72 Street, Whiting, Lot 7 s/n - Seville Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Hélio Bandeira Barros — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Rubens Ribeiro da Silva — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Joênes Mucci Peluzio — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Adriano Silveira Barbosa — Department of Agricultural Engineering, Tocantins Federal University, Farm 69-72 Street Badejos, Lot 7 s/n - Sevilha Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.
Talita Pereira de Souza Ferreira — Department of Biodiversity and Biotechnology, Federal University of Tocantins, Farm 69-72 Street, Whiting, Lot 7 s/n - Seville Garden, Gurupi - TO, 77404-970, Gurupi, Tocantins, Brazil.

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Agronomic Performance, Response and Efficient Use of Potassium in Genotypes Corn (Zea mays)

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