2016
DOI: 10.4025/actasciagron.v38i3.28630
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<b>Rhizobia inoculation and liming increase cowpea productivity in Maranhão State

Abstract: ABSTRACT. The objetives of the study were to evaluate the agronomic efficiency of strains approved as inoculants for cowpea and of three new strains under selection, as well as to evaluate the influence of liming on the symbiosis and productivity. Two field experiments were conducted using cowpea (BRS Guariba) from June to September 2013. In the first experiment, a completely randomized block experimental design was used, with four replicates and seven treatments (INPA03-11B, UFLA03-84, UFLA03-153, UFLA03-154,… Show more

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Cited by 31 publications
(40 citation statements)
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References 22 publications
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“…Lacerda et al (2004), Rufini et al (2014), Soares et al (2006), and Ferreira et al (2019) observed yields of S1 in the order of 1,200 kg ha −1 in other environments in the state of Minas Gerais. Mean values representative of this strain ranged from 690 kg ha −1 in the semi-arid regions of Piauí (Costa et al, 2011(Costa et al, , 2014Ferreira et al, 2013) to 797 kg ha −1 in Maranhão (Farias et al, 2016a(Farias et al, , 2016b; these values were always above the mean yield of the crop in Brazil in 2018/2019 (mean, 504 kg ha −1 ) (Conab, 2019)] even though they were not as expressive as those of Minas Gerais. Possibly because of this capacity of providing above-average yields at costs lower than production costs with mineral fertilizer, S1 (UFLA 03-84) is among the elite strains approved by MAPA for cowpea.…”
Section: Discussionmentioning
confidence: 91%
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“…Lacerda et al (2004), Rufini et al (2014), Soares et al (2006), and Ferreira et al (2019) observed yields of S1 in the order of 1,200 kg ha −1 in other environments in the state of Minas Gerais. Mean values representative of this strain ranged from 690 kg ha −1 in the semi-arid regions of Piauí (Costa et al, 2011(Costa et al, , 2014Ferreira et al, 2013) to 797 kg ha −1 in Maranhão (Farias et al, 2016a(Farias et al, , 2016b; these values were always above the mean yield of the crop in Brazil in 2018/2019 (mean, 504 kg ha −1 ) (Conab, 2019)] even though they were not as expressive as those of Minas Gerais. Possibly because of this capacity of providing above-average yields at costs lower than production costs with mineral fertilizer, S1 (UFLA 03-84) is among the elite strains approved by MAPA for cowpea.…”
Section: Discussionmentioning
confidence: 91%
“…Specifically, for approval of atmospheric nitrogen (N 2 )-fixing bacteria for cowpea, Brazilian legislation considers strains (genotypes) of interest to be those whose viability and agronomic efficiency ensure yields higher than 500 kg ha −1 (República Federativa do Brasil, 2011). Although results confirm the benefits of native rhizobia communities in biological N fixation (BNF) for cowpea, the rhizobia community by itself established in the soil is not always sufficient to ensure a symbiosis that expressively contributes to increase the yield of this legume, and it is necessary to use inoculants containing strains that are more efficient in the BNF process (Costa, Nóbrega, Martins, Amaral, & Moreira, 2011Farias, Trochmann, Soares, & Moreira, 2016a, 2016bFerreira et al, 2019;Lacerda, Moreira, Andrade, & Soares, 2004;Martins et al, 2003;Moreira, 2006;Soares et al, 2006Soares et al, , 2014Zilli, Marson, Marson, Rumjanek, & Xavier, 2009).…”
Section: Core Ideasmentioning
confidence: 99%
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“…A culture that has shown response in Red Latosol in the Brazilian Cerrado is cowpea (Vigna unguiculata (L.) Walp.). This soil class presents good drainage and low fertility, presenting good results from the application of soil correctives and fertilizers [15] [16].…”
Section: Introductionmentioning
confidence: 99%