2014
DOI: 10.1590/s1806-66902014000300009
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Growth of cowpea plants inoculated with Rhizobium in a saline-sodic soil after application of gypsum

Abstract: -Two experiments were carried out with the aim of evaluating the growth of cowpea cultivated in saline-sodic soils corrected with gypsum: one experiment in the laboratory, to identify the best level of gypsum for the correction of the saline-sodic soils of the state of Pernambuco, Brazil; and the other in a greenhouse, after correction of the soils. As the test plant, the cowpea cultivar pele de moça, inoculated with Rhizobium strain BR3267 was used. The experiments were arranged in a randomised block design i… Show more

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Cited by 8 publications
(7 citation statements)
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“…As previously reported, Ca could stimulate the growth of the rhizobia and S played a central role in the metabolism of many microbes (Norris, 1959; Tao et al, 2018). These results were consistent with other reported works on the effectiveness of rhizobial inoculation improved by gypsum addition on nitrogen fixation and plant growth (Fontenele et al, 2014; Stamford et al, 2003). The plants needed a high level of Ca 2+ in order to produce a profusion number of nodules.…”
Section: Discussionsupporting
confidence: 93%
“…As previously reported, Ca could stimulate the growth of the rhizobia and S played a central role in the metabolism of many microbes (Norris, 1959; Tao et al, 2018). These results were consistent with other reported works on the effectiveness of rhizobial inoculation improved by gypsum addition on nitrogen fixation and plant growth (Fontenele et al, 2014; Stamford et al, 2003). The plants needed a high level of Ca 2+ in order to produce a profusion number of nodules.…”
Section: Discussionsupporting
confidence: 93%
“…Table 3. Mean values of grain size composition, soil density and particle size of a fluvic entisol affected by salts 15 2.5 Turbidity-uT 5 1.78 Electrical conductivity -µS/cm a 25º C *** 68 pH 6.0 to 9.5 These results indicate that the use of low-cost organic inputs available on farms can satisfactorily contribute to the recovery of soils affected by salts, but the combination with gypsum may result in an even higher infiltration rate [24,25]. The use of gypsum together with an organic matter source has shown good results both for crops and for the process of improving the physical-water conditions [26,27,28].…”
Section: Resultsmentioning
confidence: 99%
“…While gypsum provides improvements in soil chemical characteristics, the regeneration potential of organic fertilizers has been attributed in literature as an important factor in the stability of soil aggregates, improving water permeability [15].…”
Section: Introductionmentioning
confidence: 99%
“…The lowest number was observed in T 1 (11.80). The increase in nodule number with Rhizobium treatment was due to their multiplication in the roots to form nodules (Fontenele et al, 2014). P. bilaii indirectly enhances the nodule number by providing more P available to the plants.…”
Section: Number Of Nodulesmentioning
confidence: 99%