2015
DOI: 10.5935/1806-6690.20150032
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Effect of soil management on water deficit, gas exchange and cowpea yield in the semi-arid region

Abstract: Efeito de manejos do solo no déficit hídrico, trocas gasosas e rendimento do feijão-de-corda no semiárido 1Effect of soil management on water deficit, gas exchange and cowpea yield in the semi-arid region T-P, solo mobilizado somente pela enxada; T-ESC, solo escarificado a 0,30 m; T-CS, solo com subsolagem e captação in situ; o T-CCM, subsolagem, captação in situ e cobertura morta e o T-CCO, com subsolagem, captação in situ, cobertura morta e compostagem. Os resultados mostraram que a interação das práticas da… Show more

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Cited by 16 publications
(19 citation statements)
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“…In other grasses there are reports that the RWC gradually decreases, as shown in wheat (Santos et al, 2012) and barley (Thameur et al, 2012), attributed to the improvement process (Sherrard et al 2009;Souza et al 2014), being the photosynthetic rate, stomatal conductance and transpiration, changes that firstly respond to water deficiency.Stomatal conductance presents variation more rapidly with the reduction of water available in the soil, as observed in several studies independent from the photosynthetic physiology of plants, reported for C 3 (Santos et al, 2012;Yousfi et al, 2012;Fernandes et al, 2015) and C 4 plants (Hu et al, 2010;(Mattos et al, 2005;Hu et al, 2010;Zhou et al, 2013). In the present study, this condition also occurs being observed the reduction of gs (Fig.3a).…”
Section: Discussionsupporting
confidence: 71%
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“…In other grasses there are reports that the RWC gradually decreases, as shown in wheat (Santos et al, 2012) and barley (Thameur et al, 2012), attributed to the improvement process (Sherrard et al 2009;Souza et al 2014), being the photosynthetic rate, stomatal conductance and transpiration, changes that firstly respond to water deficiency.Stomatal conductance presents variation more rapidly with the reduction of water available in the soil, as observed in several studies independent from the photosynthetic physiology of plants, reported for C 3 (Santos et al, 2012;Yousfi et al, 2012;Fernandes et al, 2015) and C 4 plants (Hu et al, 2010;(Mattos et al, 2005;Hu et al, 2010;Zhou et al, 2013). In the present study, this condition also occurs being observed the reduction of gs (Fig.3a).…”
Section: Discussionsupporting
confidence: 71%
“…These values are close soybean (Casaroli et al, 2007) and bean (Fernandes et al, 2015), before the reproductive stages.…”
Section: Discussionmentioning
confidence: 98%
“…Water deficit promotes the reduction of leaf water potential, leading to stomatal closure, decreased CO 2 absorption, and reduced photosynthesis (Goisser et al, 2016;Batista et al, 2018;Moura et al, 2018). In addition, water deficit increases foliar temperature (Heschel et al, 2014), affects membrane properties, and decreases dry matter production, leading to premature senescence and causing reduced production (Arruda et al, 2015;Fernandes et al, 2015). High temperature combined with water deficits has been a frequent phenomenon due to the global warming (Gondim et al, 2010;Lubovská et al, 2014;Perdomo et al, 2017).…”
Section: Introductionmentioning
confidence: 99%
“…), also known as string bean or Macassar bean is a legume predominantly cultivated by family farmers. It is considered as the staple food of the population, receiving great attention in the social and economic area because the low production cost and high nutritional value (Calvet et al, 2013;Fernandes et al, 2015). It develops satisfactorily in soils of low fertility (Silva, 2007), and considered moderately tolerant to salinity (Fageria et al, 2010).…”
Section: Introductionmentioning
confidence: 99%