On the roots of nitrogen uptake
Web16 de jan. de 2024 · When NO3−:NH4+ = 5:5, the total absorption area and active absorption area of the seedling roots reached the maximum. The results of uptake kinetic parameters showed that Vmax NH4+ > Vmax NO3− and Km NO3− > Km NH4+, indicating that the uptake potential of ammonium–nitrogen by C. oleifera seedlings is greater than … Web25 de abr. de 1996 · The uptake of nitrate and ammonium by the roots and leaves of Posidonia oceanica were determined between February 1997 and June 1999 by in situ experiments using the isotope 15 of nitrogen ( 15 N) as… Expand 66 PDF Inorganic nitrogen uptake and related enzymatic activity in the seagrass Zostera noltii A. …
On the roots of nitrogen uptake
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Web1 de abr. de 2009 · Several mechanisms by which organic N (ON) uptake and assimilation may increase crop NUE are proposed, such as by reducing N assimilation costs, promoting root biomass growth, shaping N cycling microbial communities, recapturing exuded N compounds, and aligning the root uptake capacity to the soil N supply in highly fertilized … Web16 de jan. de 2024 · When NO3−:NH4+ = 5:5, the total absorption area and active absorption area of the seedling roots reached the maximum. The results of uptake …
Web22 de nov. de 2007 · Significant spatial variability in NH 4 +, NO 3 − and H + net fluxes was measured in roots of young seedlings of Douglas-fir (Pseudotsuga menziesii) and lodgepole pine (Pinus contorta) with ion-selective microelectrodes.Seedlings were grown with NH 4 +, NO 3 −, NH 4 NO 3 or no nitrogen (N), and were measured in solutions containing one … Web30 de abr. de 1998 · Classic 15 N-tracer technique cannot separate uptake of intact amino acids from uptake of mineralized nitrogen. 14 C-labelling has been used in studies of hydroponic (soil-free, nutrient-water ...
Web18 de mar. de 2010 · Once taken up by root cells, nitrate must be transported across several cell membranes and distributed in various tissues. AtNRT1·5, located on the plasma membrane of root pericycle cells close to the xylem, is involved in long-distance transport of nitrate from the root to the shoot (Lin et al., 2008). Web4 de nov. de 2024 · As root N uptake and assimilation are important energy-demanding processes in roots (Pfautsch et al. 2009), and a large proportion of energy-demanding …
Web13 de mai. de 2024 · Keywords: Brassica napus, genetic variability, low-N inputs, Nitrogen Uptake Efficiency, Nitrogen Use Efficiency, roots, Specific Nitrogen Uptake Citation: Vazquez-Carrasquer V, Laperche A, Bissuel-Bélaygue C, Chelle M and Richard-Molard C (2024) Nitrogen Uptake Efficiency, Mediated by Fine Root Growth, Early Determines …
WebThe effect of low pH and aluminum on nitrogen uptake and metabolism was studied in roots of Lotus japonicus grown in hydroponic cultures. The low pH slightly suppressed … how many dicks sporting goods storesWebThe effects of nitrogen forms on nutrition uptake are related with not only the charge of NH4(+)-N and NO3(-)-N, but also the restrain effects among other ions. Sometimes, … how many dicks stores are thereWebArbuscular mycorrhizal (AM) fungi are obligate symbionts that colonize the roots of more than 80% of land plants. Experiments on the relationship between the host plant and AM … high temperature extensometerWeb31 de mai. de 2011 · The ability to take up DON enables seagrasses and macroalgae to shortcut N cycling and gives them access to additional N resources, and in oligotrophic environments, uptake of amino acids by roots may provide seagRasses with a competitive advantage over macro algae. high temperature exhaust puttyWebWendy had a significantly higher total dry matter production when grown on NO3 compared to NH4, whereas growth of Mirena was best on NH4 (P<0.05). Dry weights of Benita and Jacky were not affected by the N source. Cadmium concentrations in shoots (and roots) of plants grown on NH4 were significantly higher than in plants grown on NO3. high temperature fastener materialsWebHá 2 dias · Nitrogen uptake decreased in MP treated plants compared to the control and phosphorus uptake was significantly decreased in the shoot of cherry tomato. However, … high temperature expansion jointsWeb14 de mai. de 2013 · Introduction. In natural, uncultivated systems, including temperate coniferous forests, the lack of available nitrogen (N) often limits plant growth and … how many did genghis khan killed