Danielle L. Gelardi

ORCID: 0000-0002-5015-8119
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About
Contact & Profiles
Research Areas
  • Soil Carbon and Nitrogen Dynamics
  • Soil and Unsaturated Flow
  • Clay minerals and soil interactions
  • Plant Virus Research Studies
  • Bacteriophages and microbial interactions
  • Plant and Fungal Interactions Research
  • Phosphorus and nutrient management
  • Seismology and Earthquake Studies
  • Wastewater Treatment and Nitrogen Removal
  • Adsorption and biosorption for pollutant removal
  • Soil Management and Crop Yield
  • Agricultural Science and Fertilization
  • Soil and Water Nutrient Dynamics
  • Agriculture Sustainability and Environmental Impact
  • Aeolian processes and effects
  • Earthquake Detection and Analysis
  • Agriculture, Soil, Plant Science
  • Atmospheric chemistry and aerosols
  • Radioactivity and Radon Measurements

University of California, Davis
2019-2024

University of Leeds
2024

University of Exeter
2024

Anglia Ruskin University
2024

Wageningen University & Research
2024

Digital Research Alliance of Canada
2024

James Hutton Institute
2024

Washington State Department of Agriculture
2021-2024

Viruses are abundant yet understudied members of soil environments that influence terrestrial biogeochemical cycles. Here, we characterized the dsDNA viral diversity in biochar-amended agricultural soils at preplanting and harvesting stages a tomato growing season via paired total metagenomes size fraction (viromes). Size fractionation prior to DNA extraction reduced sources nonviral viromes, enabling recovery vaster richness populations (vOTUs), greater taxonomic diversity, broader range...

10.1038/s41396-021-00897-y article EN cc-by The ISME Journal 2021-02-21

The advent of “natural climate solutions” and “climate smart agriculture” has increased interest in managing agricultural lands to sequester soil carbon mitigate change. This led enormous opportunities for scientists growers alike, as new initiatives are created by public, private, philanthropic entities. It also confusion over what is possible or practical achieve through management, formation storage complex, its response management context-dependent. can pose challenges decision makers...

10.3389/fsufs.2023.1188133 article EN cc-by Frontiers in Sustainable Food Systems 2023-06-29

Biochar is most commonly considered for its use as a soil amendment, where it has gained attention potential to improve agricultural production and health. Twenty years of near exponential growth in investigation demonstrated that biochar does not consistently deliver these benefits, due variables biochar, soil, climate, cropping systems. While can provide agronomic improvements marginal soils, less likely do so temperate climates fertile soils. Here, coproducts may be better utilized...

10.3390/su131810079 article EN Sustainability 2021-09-09

Abstract. Biochar is purported to provide agricultural benefits when added the soil, through changes in saturated hydraulic conductivity (Ksat) and increased nutrient retention chemical or physical means. Despite interest investigation, there remains uncertainty regarding ability of biochar deliver these agronomic due differences feedstock, production method, temperature, soil texture. In this project, a suite experiments was carried out using biochars diverse feedstocks temperatures, order...

10.5194/soil-7-811-2021 article EN cc-by SOIL 2021-12-21

Abstract Biochar can deliver many agronomic benefits, though effects may be greatest in suboptimal agricultural soils. The objective of this study was to investigate biochar prime soils a Mediterranean climate. In 3‐year irrigated processing tomato ( Solanum lycopersicum ) field trials, which three biochars were amended sandy and silt loam, did not influence yield. Given the global policy focus on for climate change mitigation adaptation, however, it is essential measure more than just...

10.1002/saj2.20699 article EN cc-by Soil Science Society of America Journal 2024-05-30

Abstract Viruses are abundant yet understudied members of soil environments that influence terrestrial biogeochemical cycles. Here, we characterized the dsDNA viral diversity in biochar-amended agricultural soils at pre-planting and harvesting stages a tomato growing season via paired total metagenomes viromes. Size fractionation prior to DNA extraction reduced sources non-viral viromes, enabling recovery vaster richness populations (vOTUs), greater taxonomic diversity, broader range...

10.1101/2020.08.06.237214 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2020-08-06

Abstract. Biochar is purported to provide agricultural benefits when added the soil, through changes in soil water hydraulic conductivity (Ksat), and increased nutrient retention chemical or physical means. Despite interest investigation, there remains uncertainty regarding ability of biochar deliver these agronomic due differences feedstock, production method, temperature texture. In this project, a suite experiments was carried out using biochars diverse feedstocks temperatures, order...

10.5194/soil-2021-45 article EN cc-by 2021-05-27

<p>The unique chemical and physical properties of biochars typically include low bulk density, high porosity, surface area, reactive functional groups, variable particle size distribution. These attributes make biochar a promising material for amendment to agricultural soils, as may help improve soil water holding capacity, hydraulic conductivity (K<sub>sat</sub>), nutrient retention through or means. Despite increased interest investigation, there...

10.5194/egusphere-egu21-178 article EN 2021-03-03
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