Viabilidade econômica de doses e parcelamentos da adubação nitrogenada na cultura do milho em LATOSSOLO VERMELHO Eutrófico

Duete, Robson Rui Cotrim; Muraoka, Takashi; Silva, Edson Cabral da; Ambrosano, Edmilson José

doi:10.4025/actasciagron.v31i1.6646

Cited by 22 publications

(21 citation statements)

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“…Total operating cost (TOC), grain yield (GY) and gross revenue (GR) of the soybean crop as a function of combination of treatments it was observed that, for a constant price of the soybean, the gross revenues of the treatments followed the same trend of the yields (Table 3), i.e., the increments in the revenue occur through the increments in grain yield. This result in agreement with Silva et al (2007) and Duete et al (2009), who claim that yield is an essential factor to guarantee good profitability to the producer. According to Duete et al (2009), even in regions in which the producer obtains good prices in the marketing of grains, if the yield is low, the profitability is compromised.…”

Section: Resultssupporting

confidence: 82%

“…This result in agreement with Silva et al (2007) and Duete et al (2009), who claim that yield is an essential factor to guarantee good profitability to the producer. According to Duete et al (2009), even in regions in which the producer obtains good prices in the marketing of grains, if the yield is low, the profitability is compromised. Thus, the investment in management practices, such as balanced fertilization and inoculation with PGPB, increase grain yield and the gross margin of the crops, regardless of the site.…”

Section: Resultssupporting

confidence: 82%

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Modes of application of cobalt, molybdenum and Azospirillum brasilense on soybean yield and profitability

Galindo

Filho

Buzetti

et al. 2017

Rev. bras. eng. agríc. ambient.

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The use of cobalt (Co) and molybdenum (Mo) along with the co-inoculation with Azospirillum brasilense on soybean can contribute to biological nitrogen fixation (BNF), allowing higher yields. Thus, this work aimed to study the technical and economic viability of soybean in the Cerrado, according to the mode of application of Co + Mo, and seed or leaf co-inoculation with Azospirillum brasilense. The experiment was conducted in Selvíria-MS, in a no-tillage system in an Oxisol, arranged in a randomized block design with six treatments (seed application of two treatments with Co + Mo, with or without inoculation with A. brasilense, respectively; Foliar application of Co + Mo at soybean V3 stage; Foliar application of Co + Mo together with A. brasilense at V3 growth stage; Foliar application of A. brasilense at V3 growth stage; and the Control, consisting of only inoculation with Rhizobium), and four replicates. Seed application of Co + Mo associated with seed inoculation with A. brasilense promoted the highest leaf N content, hundred-grain weight, yield and profitability with the soybean crop.

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Section: Resultssupporting

confidence: 82%

Section: Resultssupporting

confidence: 82%

Modes of application of cobalt, molybdenum and Azospirillum brasilense on soybean yield and profitability

Galindo

Filho

Buzetti

et al. 2017

Rev. bras. eng. agríc. ambient.

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show abstract

“…This result is consistent with that of Duete et al (2009), who claimed that yield is a primordial factor to guarantee good profitability to the producer. Still according to these authors, even in regions where the producer obtains good prices in the marketing of grains, if the yield is low, the profitability is compromised.…”

Section: Resultssupporting

confidence: 82%

Technical and economic viability of co-inoculation with Azospirillum brasilense in soybean cultivars in the Cerrado

Galindo

Filho

Buzetti

et al. 2018

Rev. bras. eng. agríc. ambient.

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Biological nitrogen fixation (BNF) efficiency can be increased by co-inoculation with bradyrhizobia and Azospirillum brasilense, allowing even greater uptake of water and nutrients, leading to higher yields. Thus, this study aimed to evaluate the technical and economic viability of soybean in the Cerrado, according to the cultivars and co-inoculation with Azospirillum brasilense. The experiment was conducted in Selvíria, MS, in no-tillage system, in Oxisol, arranged in a randomized block design in a 2 x 2 factorial scheme with two cultivars (‘Potência’ and ‘Valiosa’), with and without co-inoculation with Azospirillum brasilense in the seed. Co-inoculation with A. brasilense increases grain yield in the cultivars ‘Potência’ and ‘Valiosa’, being economically viable. However, using the cultivar ‘Potência’ co-inoculated led to the highest profitability.

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“…This result is in agreement with Duete et al (2009), according to whom the yield is a primordial factor to ensure good profitability to the producer. As asserted by Duete et al (2009), even in regions where producers obtain good corn prices, if their productivity is low, profitability is compromised. Thus, investment in management practices, like balanced nitrogen fertilization, elevates the grain yield and the gross margin of the corn crop, regardless of the location.…”

Section: Journal Of Agricultural Sciencesupporting

confidence: 80%

Technical and Economic Viability of Corn with Azospirillum brasilense Associated with Acidity Correctives and Nitrogen

Galindo¹,

Filho²,

Buzetti³

et al. 2018

JAS

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There is a lack of more comprehensive research defining how much mineral N can be applied as regards the efficiency of BNF to attain high with Azospirillum brasilense, what is a bacterium that stands out for its biological nitrogen fixation (BNF) in corn crops, reaching economically sustainable yields. Moreover, it would be interesting to investigate the use of silicon, which exerts numerous benefits on grasses, especially when the plants are subjected to biotic and abiotic stresses. The aim of this work was to study a synergistic effect between the inoculation with A. brasilense and the application of silicon, thus enabling a higher efficiency of nitrogen fertilization, evaluating the grain yield of irrigated corn in economic terms. The experiment was conducted in Selvíria, MS, Brazil, under a no-till system, on a Latossolo Vermelho distrófico (Oxisol). The experiment was set up as a randomized block design with four replications, in a 2 × 5 × 2 factorial arrangement consisting of two soil corrective sources (dolomitic limestone and Ca and Mg silicate as source of Si); five doses of N (0, 50, 100, 150 and 200 kg ha -1 ); with and without inoculation with A. brasilense. The inoculation makes the corn increase much more profitable, irrespective of N doses and corrective source. The N dose of 200 kg ha -1 with dolomitic limestone, associated with inoculation provided greater grain yield. However, the highest economic return was obtained at the N dose of 100 kg ha -1 , with dolomitic limestone application and inoculation.

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Viabilidade econômica de doses e parcelamentos da adubação nitrogenada na cultura do milho em LATOSSOLO VERMELHO Eutrófico

Cited by 22 publications

References 1 publication

Modes of application of cobalt, molybdenum and Azospirillum brasilense on soybean yield and profitability

Modes of application of cobalt, molybdenum and Azospirillum brasilense on soybean yield and profitability

Technical and economic viability of co-inoculation with Azospirillum brasilense in soybean cultivars in the Cerrado

Technical and Economic Viability of Corn with Azospirillum brasilense Associated with Acidity Correctives and Nitrogen

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