All Outputs (434)

Assessment of chromium species dynamics in root solutions using isotope tracers (2020)
Journal Article

© 2020 Background: Chromium (Cr) exists in the environment in two chemical forms; CrIII is an essential micronutrient for glucose and lipid metabolism, whereas CrVI is toxic and a recognised carcinogen through inhalation. Numerous studies have attemp... Read More about Assessment of chromium species dynamics in root solutions using isotope tracers.

Author Correction: Greenhouse gas emissions resulting from conversion of peat swamp forest to oil palm plantation (Nature Communications, (2020), 11, 1, (407), 10.1038/s41467-020-14298-w) (2020)
Journal Article

The original version of this article contained an error in Fig. 2a, in which additional tick marks were added to the y-axis. This has been corrected in both the PDF and HTML versions of the article.

Physiological and yield response in maize in cohesive tropical soil is improved through the addition of gypsum and leguminous mulch (2020)
Journal Article

Copyright © Cambridge University Press 2020. Tropical soils tend to harden during drying due to the generally low content of free-iron and organic carbon, combined with high fine sand and silt proportions. It was hypothesized that the change in soil... Read More about Physiological and yield response in maize in cohesive tropical soil is improved through the addition of gypsum and leguminous mulch.

Root oxygen mitigates methane fluxes in tropical peatlands (2020)
Journal Article

© 2020 The Author(s). Published by IOP Publishing Ltd. Tropical peatlands are a globally important source of methane, a potent greenhouse gas. Vegetation is critical in regulating fluxes, providing a conduit for emissions and regular carbon inputs. H... Read More about Root oxygen mitigates methane fluxes in tropical peatlands.

Brachiaria species influence nitrate transport in soil by modifying soil structure with their root system (2020)
Journal Article

Leaching of nitrate from fertilisers diminishes nitrogen use efficiency (the portion of nitrogen used by a plant) and is a major source of agricultural pollution. To improve nitrogen capture, grasses such as brachiaria are increasingly used, especial... Read More about Brachiaria species influence nitrate transport in soil by modifying soil structure with their root system.

Selenium biofortification of crops on a Malawi Alfisol under conservation agriculture (2020)
Journal Article

© 2020 Elsevier B.V. Biofortification with selenium (Se) may rely on rapid uptake by crops, following application, to offset progressive fixation into unavailable organic forms of Se in soil. A biofortification study was conducted on an Alfisol withi... Read More about Selenium biofortification of crops on a Malawi Alfisol under conservation agriculture.

Novel sources of variation in grain Zinc (Zn) concentration in bread wheat germplasm derived from Watkins landraces (2020)
Journal Article

A diverse panel of 245 wheat genotypes, derived from crosses between landraces from the Watkins collection representing global diversity in the early 20th century and the modern wheat cultivar Paragon, was grown at two field sites in the UK in 2015-1... Read More about Novel sources of variation in grain Zinc (Zn) concentration in bread wheat germplasm derived from Watkins landraces.

Reconnaissance sampling and determination of hexavalent chromium in potentially-contaminated agricultural soils in Copperbelt Province, Zambia (2020)
Journal Article

© 2020 The distribution of elemental species of chromium (Cr) in potentially-contaminated soil samples warrants investigation due to the differing mobilities and toxicities of trivalent [Cr(III)] and hexavalent chromium [(Cr(VI)]. In addition, the po... Read More about Reconnaissance sampling and determination of hexavalent chromium in potentially-contaminated agricultural soils in Copperbelt Province, Zambia.

The impact of long-term biosolids application (>100 years) on soil metal dynamics (2020)
Journal Article

© 2020 Elsevier B.V. Biosolids application to arable land is a common, and cost-effective, practice but the impact of prolonged disposal remains uncertain. We evaluated the dynamics of potentially toxic elements (PTEs) at a long-established ‘dedicate... Read More about The impact of long-term biosolids application (>100 years) on soil metal dynamics.

Potential of geoelectrical methods to monitor root zone processes and structure: A review (2020)
Journal Article

© 2020 Understanding the processes that control mass and energy exchanges between soil, plants and the atmosphere plays a critical role for understanding the root zone system, but it is also beneficial for practical applications such as sustainable a... Read More about Potential of geoelectrical methods to monitor root zone processes and structure: A review.

Orbital pacing and secular evolution of the Early Jurassic carbon cycle (2020)
Journal Article

Global perturbations to the Early Jurassic environment (∼201 to ∼174 Ma), notably during the Triassic–Jurassic transition and Toarcian Oceanic Anoxic Event, are well studied and largely associated with volcanogenic greenhouse gas emissions released b... Read More about Orbital pacing and secular evolution of the Early Jurassic carbon cycle.

Human occupation and ecosystem change on Upolu (Samoa) during the Holocene (2020)
Journal Article

Aim: To track the peopling of the South Pacific and assess their impact on terrestrial and aquatic ecosystems. Location: Upolu, Samoa. Taxon: Terrestrial and aquatic plants. Methods: A sedimentary record covering the last c. 10,500years was recovered... Read More about Human occupation and ecosystem change on Upolu (Samoa) during the Holocene.

Geographical and seasonal variation in Iodine content of cow’s milk in the UK and consequences for the consumer´s supply (2020)
Journal Article

Background. Dairy products provide a crucial source of dietary iodine for the majority of the UK population, contributing approximately 30-40 % of daily intake. Fluctuations in the iodine content of purchased milk both seasonally and annually implies... Read More about Geographical and seasonal variation in Iodine content of cow’s milk in the UK and consequences for the consumer´s supply.

X-ray microtomography analysis of soil pore structure dynamics under wetting and drying cycles (2020)
Journal Article

The soil water retention curve is one of the most important properties used to predict the amount of water available to plants, pore size distribution and hydraulic conductivity, as well as knowledge for drainage and irrigation modeling. Depending on... Read More about X-ray microtomography analysis of soil pore structure dynamics under wetting and drying cycles.

Can selenium deficiency in Malawi be alleviated through consumption of agro-biofortified maize flour? Study protocol for a randomised, double-blind, controlled trial (2019)
Journal Article

© 2019 The Author(s). Background: Micronutrient deficiencies including selenium (Se) are widespread in Malawi and potentially underlie a substantial disease burden, particularly among poorer and marginalised populations. Concentrations of Se in stapl... Read More about Can selenium deficiency in Malawi be alleviated through consumption of agro-biofortified maize flour? Study protocol for a randomised, double-blind, controlled trial.

Interactions between labile carbon, temperature and land use regulate carbon dioxide and methane production in tropical peat (2019)
Journal Article

Tropical peatlands are a significant carbon store and contribute to global carbon dioxide (CO2) and methane (CH4) emissions. Tropical peatlands are threatened by both land use and climate change, including the alteration of regional precipitation pat... Read More about Interactions between labile carbon, temperature and land use regulate carbon dioxide and methane production in tropical peat.

Using chemical fractionation and speciation to describe uptake of technetium, iodine and selenium by Agrostis capillaris and Lolium perenne (2019)
Journal Article

© 2019 Elsevier Ltd To understand the dynamic mechanisms governing soil-to-plant transfer of selenium (Se), technetium-99 (99Tc) and iodine (I), a pot experiment was undertaken using 30 contrasting soils after spiking with 77Se, 99Tc and 129I, and in... Read More about Using chemical fractionation and speciation to describe uptake of technetium, iodine and selenium by Agrostis capillaris and Lolium perenne.

Agronomic biofortification of leafy vegetables grown in an Oxisol, Alfisol and Vertisol with isotopically labelled selenium (77Se) (2019)
Journal Article

© 2019 Elsevier B.V. Selenium biofortification of crops is a proven technology for improving dietary nutrition. This study used isotopically labelled selenate (>99% enriched 77Se) to assess uptake and Se availability to two green vegetables, Brassica... Read More about Agronomic biofortification of leafy vegetables grown in an Oxisol, Alfisol and Vertisol with isotopically labelled selenium (77Se).

Goniozus omanensis (Hymenoptera: Bethylidae) an important parasitoid of the lesser date moth Batrachedra amydraula Meyrick (Lepidoptera: Batrachedridae) in Oman (2019)
Journal Article

A new species of bethylid parasitoid wasp, Goniozus omanensis Polaszek sp. n., is described based on morphology and DNA sequence data. The species is currently known only from the lesser date moth Batrachedra amydraula, a pest of economic importance,... Read More about Goniozus omanensis (Hymenoptera: Bethylidae) an important parasitoid of the lesser date moth Batrachedra amydraula Meyrick (Lepidoptera: Batrachedridae) in Oman.

Magnesium biofortification of Italian ryegrass (Lolium multiflorum L.) via agronomy and breeding as a potential way to reduce grass tetany in grazing ruminants (2019)
Journal Article

© 2019, The Author(s). Aim: Magnesium (Mg) deficiency (known as grass tetany) is a serious metabolic disorder that affects grazing ruminants. We tested whether Mg-fertiliser can increase Mg concentration of Italian ryegrasses (Lolium multiflorum L.)... Read More about Magnesium biofortification of Italian ryegrass (Lolium multiflorum L.) via agronomy and breeding as a potential way to reduce grass tetany in grazing ruminants.