2018
DOI: 10.1007/s11104-018-3763-x
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Is pH the key reason why some Lupinus species are sensitive to calcareous soil?

Abstract: Aims: Previous studies have shown that pH, rather than calcium (Ca), is the main reason why some Lupinus species are sensitive to nutrient solutions mimicking calcareous soils; however, a hydroponic system is quite different from soil systems, and plants may respond differently to these two growing conditions. Thus, studies with Lupinus species grown in calcareous soils are needed. Methods: Two calcicole and two calcifuge species were grown in river sand with different Ca forms and amounts, pH levels, and [bic… Show more

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Cited by 16 publications
(9 citation statements)
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“…When root biomass was measured, fine roots were not separated from structural roots; therefore, it is possible that the observed differences in feeder roots were not significant enough to affect the total root biomass. Nevertheless, fine roots can contribute significantly to the growth of the tree by facilitating nutrient uptake (Ding et al, 2019). This is further supported by the pH 8.0-treated trees having higher EC values compared with treated with low pH.…”
Section: Discussionmentioning
confidence: 81%
“…When root biomass was measured, fine roots were not separated from structural roots; therefore, it is possible that the observed differences in feeder roots were not significant enough to affect the total root biomass. Nevertheless, fine roots can contribute significantly to the growth of the tree by facilitating nutrient uptake (Ding et al, 2019). This is further supported by the pH 8.0-treated trees having higher EC values compared with treated with low pH.…”
Section: Discussionmentioning
confidence: 81%
“…Winter wheat and summer maize are the most widely cultivated crops in the study area, which is a medium-to-low yield production region. The soil type is mainly fluvo-aquic and saline fluvo-aquic, with the latter covering 22% [33] of the region. The range of the soil salt content is 0.8-1.5 g/kg.…”
Section: Study Areamentioning
confidence: 99%
“…Similar recovering results can be found in calcicole species. For example, a total re-greening of young leaves was observed in Ulmus minor after Fe resupply (Venturas et al 2014) and partially disappeared in Lupinus pilosus (Ding et al (2019).…”
Section: Discussionmentioning
confidence: 99%