2017
DOI: 10.1007/s11104-017-3194-0
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Macropore effects on phosphorus acquisition by wheat roots – a rhizotron study

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Cited by 34 publications
(35 citation statements)
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“…Table 2). This finding is in line with the results from a rhizotron study with wheat [26] showing that P deficiency in the topsoil resulted in decreased biomass of subsoil roots. Plants growing under conditions of low P supply particularly promote topsoil foraging by increased density and elongation of shallow lateral roots [27].…”
Section: Root Lengthsupporting
confidence: 90%
“…Table 2). This finding is in line with the results from a rhizotron study with wheat [26] showing that P deficiency in the topsoil resulted in decreased biomass of subsoil roots. Plants growing under conditions of low P supply particularly promote topsoil foraging by increased density and elongation of shallow lateral roots [27].…”
Section: Root Lengthsupporting
confidence: 90%
“…Quite to the contrary, subsoil HCl P i stocks were greater in NK treatments than in NPK treatments, indicating that this pool was hardly used by crops growing without P fertilizer. We attribute this finding to reduced root growth into the subsoil under P-deficient conditions (Lynch & Brown, 2001;Péret et al, 2011;Bauke et al, 2017). It appears that under P-deficient conditions all subsoil P resources that are present in plant-available forms can be used by the crops.…”
Section: Effects Of Long-term P Deficiency On P Cycling In the Subsoilmentioning
confidence: 97%
“…To date, it is unclear to what extent and under which conditions plants can use subsoil resources. On the other hand, there are indications that only sufficient rather than deficient resource supply in the topsoil promotes root growth into the subsoil, thereby increasing the potential to use nutrients from the subsoil (Lynch & Brown, 2001;Péret et al, 2011;Bauke et al, 2017). On the other hand, there are indications that only sufficient rather than deficient resource supply in the topsoil promotes root growth into the subsoil, thereby increasing the potential to use nutrients from the subsoil (Lynch & Brown, 2001;Péret et al, 2011;Bauke et al, 2017).…”
Section: Introductionmentioning
confidence: 99%
“…The rhizotron images were taken on day 41 after sowing, just before harvest. A detailed description of the experimental setup is given in (Bauke et al 2017). The images of roots grown on germination paper (24x30 cm) with a resolution of 442 ppi were obtained from an experimental study, where two different winter wheat cultivars ('Rialto' and 'Savannah') were grown in 41 respectively 39 replicates over a time period of 8 days under controlled lab conditions.…”
Section: Image Sourcesmentioning
confidence: 99%