Overview
Roslee tested whether oil-palm empty-fruit-bunch biochar changed arsenic availability in artificially contaminated soil during a four-week aerobic incubation. This is mitigation and soil-pathway context, not palm-oil occurrence evidence.
Key numbers
The abstract states that soil from UiTM Jasin sharefarm was artificially contaminated with arsenic and amended with oil-palm empty-fruit-bunch biochar at application rates of 2.5, 5.0, and 10 t ha-1. Samples were collected weekly for four weeks.
The same abstract states that adding EFB biochar did not significantly influence the concentration of arsenic (As), even at the highest application rate. It also states that biochar applications reduced As contamination by 25.2%. The extracted text does not preserve the underlying concentration table cleanly, so no additional As concentration values are reported here.
The project table of contents identifies separate results sections for arsenic concentration with EFB biochar, nutrient content before biochar application, pH from week 1 through week 4, and electrical conductivity with different biochar application rates from week 1 through week 4. Those section tables were not extractable as clean text in the local PDF extraction.
Methods (brief)
Oil-palm empty-fruit-bunch biochar was collected from UPM Serdang. Soil was collected from UiTM Jasin sharefarm, artificially contaminated with arsenic, and amended with different EFB biochar application rates under aerobic incubation. The abstract says nutrient content and As concentration were examined through dry ashing.
Related evidence
Update history
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