Biochar as a Sand-based Rootzone Amendment

Brockhoff, Shane R.; Christians, Nick E.

doi:10.31274/farmprogressreports-180814-1051

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“…Biochar applied to soils with coconut fibre tuff potting medium induces systemic resistance to fungal pathogens such as powdery mildew, grey mould, and broad mite on tomato and pepper, which contain the diseases in their leaf parts (Induction of Systemic Resistance in Plants by Biochar, a Soil-Applied Carbon Sequestering Agent, 2010). Biochar is also used to modify sand-based turfgrass root zones, where it lowers saturated hydraulic conductivity, reduces rooting depth, and enhances soil water retention in sand for plants in sand-based root zones (Brockhoff, 2010). Biochar influences nitrogen, phosphorus, and Sulphur changes in the soil ecosystem; the biochar mechanism modifies the transformation of soil nutrients (DeLuca et al, 2009).…”

Section: Current and Potential Future Uses Of Biocharmentioning

confidence: 99%

Formation and Properties of Magnetic Biochar

Victor

2022

Preprint

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Magnetic biochar made from agricultural biomass waste such as SRC willow, which is a densely planted, high-yielding energy crop and one of the leading sources of renewable energy production, combined with iron (II) chloride and iron (III) chloride, is a multi-functional material for land remediation and agricultural applications. Two magnetic biochar's (1.0 M iron solution magnetic biochar and 0.1 M iron solution magnetic biochar) were prepared by the chemical mixture and co-precipitation of iron (II) chloride tetrahydrate and iron (III) chloride on SRC willow with a particle size of less than 2 mm (about 0.08 in). The mixture of SRC willow with iron (II) chloride tetrahydrate and iron (III) chloride was then dried in the oven and pyrolyzed at 400 degrees Celsius. Scanning electron microscopy, Fourier transform infrared spectroscopy, and X-ray diffraction research on the 1.0 M iron solution magnetic biochar and the 0.1 M iron solution magnetic biochar reveal a greater concentration of iron compounds in the 1.0 M iron solution magnetic biochar. Ultraviolet infrared spectrometry was performed on iron (II) chloride tetrahydrate, iron (III) chloride, and copper (II) sulphate pentahydrate. Atomic absorption spectroscopy and ultra-violet spectrometry were performed on copper (II) sulphate pentahydrate and deionized water mixed with 1.0 M iron solution magnetic biochar, 0.1 M iron solution magnetic biochar, and activated for atomic absorption spectroscopy, 0.1 M iron solution magnetic biochar has a greater adsorption capacity than 1.0 M iron solution magnetic biochar for copper (II) sulphate pentahydrate solution. For ultra-violet infrared spectroscopy, the adsorption capacity of magnetic biochar in a 1.0 M iron solution is greater than that of magnetic biochar in a 0.1 M iron solution. Based on these results, both the 1.0 M iron solution magnetic biochar and the 0.1 M iron solution magnetic biochar are good options for removing metal pollutants like copper and restoring land.

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Section: Current and Potential Future Uses Of Biocharmentioning

confidence: 99%

Formation and Properties of Magnetic Biochar

Victor

2022

Preprint

View full text Add to dashboard Cite

show abstract

Biochar as a Sand-based Rootzone Amendment

Cited by 1 publication

References 0 publications

Formation and Properties of Magnetic Biochar

Formation and Properties of Magnetic Biochar

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