ArticleScientific reports2015
Nitrogen fluxes at the root-soil interface show a mismatch of nitrogen fertilizer supply and sugarcane root uptake capacity.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Soybean Auxin Transporter PIN3 Regulates Nitrate Acquisition to Improve Nitrogen Use and Seed Traits.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Transcriptional reprogramming and co-expression network underlying enhanced ammonium uptake in intraspecific hybrids ofFrontiers in plant science · 2026Article
- Article
- Effects of chemical fertilization on bacterial community in rhizosphere soil of sugarcane.PloS one · 2025Article
- The Effect of Nutrient Deficiencies on the Annual Yield and Root Growth of Summer Corn in a Double-Cropping System.Plants (Basel, Switzerland) · 2024Article
- Droplet Microfluidic-BasedEnvironmental science & technology · 2024Article
- Root nitrate uptake in sugarcane (Saccharum spp.) is modulated by transcriptional and presumably posttranscriptional regulation of the NRT2.1/NRT3.1 transport system.Molecular genetics and genomics : MGG · 2022Article
- Nitrate fertilization may delay autumn leaf senescence, while amino acid treatments do not.Physiologia plantarum · 2022Article
- Organic nitrogen enhances nitrogen nutrition and early growth of Pinus sylvestris seedlings.Tree physiology · 2022Article
- Endophytic nitrogen-fixing bacteria DX120E inoculation altered the carbon and nitrogen metabolism in sugarcane.Frontiers in microbiology · 2022Article
- Soil organic nitrogen: an overlooked but potentially significant contribution to crop nutrition.Plant and soil · 2021Review
- Glutamine application promotes nitrogen and biomass accumulation in the shoot of seedlings of the maize hybrid ZD958.Planta · 2020Article
- Organic Nitrogen Uptake and Assimilation inFrontiers in plant science · 2018Article
- Depletion of carbohydrate reserves limits nitrate uptake during early regrowth in Lolium perenne L.Journal of experimental botany · 2017Article
- The carbon bonus of organic nitrogen enhances nitrogen use efficiency of plants.Plant, cell & environment · 2017Article
- Contributions of rational soil tillage to compaction stress in main peanut producing areas of China.Scientific reports · 2016Article
- Evaluating nitrogen uptake: Methods and applications for plant research.Applications in plant sciencesReview
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8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Globally only ≈50% of applied nitrogen (N) fertilizer is captured by crops, and the remainder can cause pollution via runoff and gaseous emissions. Synchronizing soil N supply and crop demand will address this problem, however current soil analysis methods provide little insight into delivery and acquisition of N forms by roots. We used microdialysis, a novel technique for in situ quantification of soil nutrient fluxes, to measure N fluxes in sugarcane cropping soils receiving different fertilizer regimes, and compare these with N uptake capacities of sugarcane roots. We show that in fertilized sugarcane soils, fluxes of inorganic N exceed the uptake capacities of sugarcane roots by several orders of magnitude. Contrary, fluxes of organic N closely matched roots' uptake capacity. These results indicate root uptake capacity constrains plant acquisition of inorganic N. This mismatch between soil N supply and root N uptake capacity is a likely key driver for low N efficiency in the studied crop system. Our results also suggest that (i) the relative contribution of inorganic N for plant nutrition may be overestimated when relying on soil extracts as indicators for root-available N, and (ii) organic N may contribute more to crop N supply than is currently assumed.
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