In this and my next few posts we conclude our look at essential plant macronutrients that started in some previous articles, and this time concentrate on the last four of the nine elements – C, H, O, P, K, N, S, Ca and...
Tag - nitrogen
Nigel Chaffey
Nutrient requirements differ in two sympatric hemiparasitic species
The reasons for marked differences in growth performance of hemiparasites when attached to different hosts are not fully understood. Li et al. study the responses to inorganic solutes in the absence of a host plant of...
botanyone
Spotlight on macronutrients : Carbon (mainly)
Whilst members of the Plant Kingdom might dominate terrestrial biomes, non-Plant Kingdom members are the major photosynthetic organisms in aquatic habitats
Mutualistic ants contribute to bromeliad nutrition
It is more advantageous for some bromeliads to obtain ant-derived nutrients via its roots than to eat them.
AJ Cann
Improving crop models in the face of climate change (Viewpoint)
Crop models need improving for an accurate assessment of the impacts of climate change on crop productivity.
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N-Fix exploits the ability of a specific strain of N-fixing bacteria found in sugar-cane, that can colonise cells of all major crop plants.
Matching roots to their environment (Special Issue)
How the roots of land plants evolved, how root ecology affects the utilization of soil resources, and the influence of plant roots on biogeochemical cycles.
Why is one orchid so happy to cater for ants?
There’s a paper that’s moved into free access at Annals of Botany. Uptake of ant-derived nitrogen in the myrmecophytic orchid Caularthron bilamellatum by Gegenbauer et al. It describes an odd orchid...
Alun Salt
Warming and nitrogen effects on plant phenology
Phenology is one of most sensitive traits of plants in response to regional climate warming and it may interact with other environmental change factors such as increasing nitrogen deposition. Xia and Wan conduct a 4...
Nutrient acquisition by orchid mycorrhiza
Results suggest that orchid mycorrhizal fungi can differentiate between niches in a constrained, highly resource-limited environment.
An over-abundance of nitrogen…?
Nitrogen is an essential macronutrient for plants – they cannot complete their life cycle without it – and is needed in relatively large amounts.
Nitrogen and water use efficiencies under elevated CO2
Water and nitrogen are two limiting resources for biomass production of terrestrial vegetation. Palmroth et al. employ optimization theory to quantify interactions between marginal water and nitrogen resource use...
Taming the carnivore
Animals are well known for recognising a good thing when they see it. So, too it seems are carnivorous plants – those erstwhile gentle botanics that are not averse to digesting the odd fly or two to supplement their...
Mineral nutrient stoichiometry of Hedera seeds
Analysis of variability in mineral allocation to seeds has rarely been considered in relation to allometric patterns and deviations from the allometric trajectory. Obeso examines the scaling of carbon, nitrogen...
