2006
DOI: 10.1590/s0100-06832006000500005
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Eficiência agronômica de rizóbios selecionados e diversidade de populações nativas nodulíferas em perdões (MG): I - caupi

Abstract: Maria de Souza Moreira (7)RESUMO

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Cited by 59 publications
(65 citation statements)
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References 7 publications
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“…This pattern shows that the efficiency of chemical N fertilizer is more dependent on improvements in chemical properties of the soil than on the efficiency of the inoculants, confirming the tolerance of the evaluated strains to acidic soils. Similar results have been reported by other authors, who found no difference in the grain N content compared to treatments inoculated with the strains UFLA03-84 and INPA03-11B (Soares et al, 2006). Both with and without the liming, the non-inoculated treatment without mineral N supplementation had similar levels of grain N accumulation as the treatments inoculated with strains UFLA03-154, UFLA03-164, UFLA03-84 and INPA03-11B (Table 3).…”
Section: +supporting
confidence: 90%
See 1 more Smart Citation
“…This pattern shows that the efficiency of chemical N fertilizer is more dependent on improvements in chemical properties of the soil than on the efficiency of the inoculants, confirming the tolerance of the evaluated strains to acidic soils. Similar results have been reported by other authors, who found no difference in the grain N content compared to treatments inoculated with the strains UFLA03-84 and INPA03-11B (Soares et al, 2006). Both with and without the liming, the non-inoculated treatment without mineral N supplementation had similar levels of grain N accumulation as the treatments inoculated with strains UFLA03-154, UFLA03-164, UFLA03-84 and INPA03-11B (Table 3).…”
Section: +supporting
confidence: 90%
“…In addition, two strains previously approved as inoculants for cowpea, UFLA03-84 (Bradyrhizobium sp.) and INPA03-11B (B. elkanii), were also tested (Soares et al, 2006). Seeds were treated with 250 g peat-based inoculants per 10 kg seeds.…”
Section: Twomentioning
confidence: 99%
“…Martins et al (2003) verificaram que a inoculação com rizóbio (BR 3267) em caupi, em área de sequeiro, promoveu aumento de 35% na produtividade de grãos, equivalente à aplicação de 50 kg ha -1 de N mineral. Soares et al (2006a) Vale lembrar que no presente estudo não foi mensurado as contribuições das fontes N 2 -fixação simbiótica, N-solo e N-uréia para sistema radicular do feijão comum e do caupi, representando, portanto, substantiva do total de N recuperado ou acumulado pelas plantas. 4.…”
Section: Resultsunclassified
“…Para o caupi, utilizou-se a estirpe de Bradyrhizobium BR 2001. Detalhamentos sobre a origem (sistema de uso da terra, município, estado e país) e características culturais das estirpes de rizóbios usadas podem ser obtidos em Soares et al (2006a) A colheita das plantas foi realizada por amostragens ao longo do ciclo das culturas (23, 40 e 76 DAS). O material colhido de cada vaso (folhas + ramos + pecío-los + pedúnculos e vagens) foi seco em estufa de circulação de ar forçado a 65 ºC até atingir massa constante, determinando-se a matéria seca por planta.…”
Section: Methodsunclassified
“…The native rhizobia population of the soil may not be able to perform efficient symbiosis and may compete with the strains introduced in the inoculation, failing to achieve the maximum potential of N fixation (Soares et al, 2006). Moreover, to inoculate with more efficient rhizobia, it is important to adjust the acidity and soil fertility to favor symbiosis, which consequently increases BNF (Amado;Mielniczuk;Aita, 2002).…”
Section: Introductionmentioning
confidence: 99%