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Heavy Metal Index

the soil quality [1]. Soil is also contaminated by heavy metals through various human

Source

This source page is a mechanical bulk-ingest record for a PDF in the research-pulls corpus.

Page snapshot
Cited by4 pages
Metals measured3
Evidence tierB
Year2019

Overview

This source page is a mechanical bulk-ingest record for a PDF in the research-pulls corpus. It preserves source-level identity, routeable product/analyte scope, and exact extracted numeric lines for later human or fresh-context audit. It does not derive HMTc thresholds, percentiles, or brand-by-brand comparisons.

Key numbers

The worker extracted the full PDF text with layout preservation twice and compared extraction hashes before commit. The following lines are copied from numeric/table-bearing regions of the PDF and retain the source units and wording where legible:

  • (40). It is produced for the purpose of addition to soil as a means of sequestering
  • ferent concentrations of biochar ranging from 2 to 60% (w/w), suppressed nitrous
  • char in 0.32, 1.60, and 3.20% (w/w) to asparagus soils infested with Fusarium has
  • influence a wide range of soil constraints such as high availability of Al (67), soil
  • providing the suitable conditions for colonization of plant roots (81). Warnock
  • Colombian savanna soil resulted in an increase in maize yield by 28–140% as com-
  • from 50% (without biochar) to 72%, but also the production of biomass and bean

Methods (brief)

  • thereby offering the possibility of improving yields (43). Samples with a sufficient
  • gold mine: Comparison of two digestion for remediation of heavy metal-
  • JR, Wright CT, Boardman RD. A

Implications

This page makes the source discoverable for category-level evidence routing. Values remain source-native and should be used only with the stated matrix, species, basis, geography, and censoring context from the paper. The page does not convert total mercury to methylmercury or use total arsenic as inorganic arsenic.

Wiki pages this source may touch

Verification notes

  • Identity check: DOI, raw handle, candidate cite-key, and SHA-256 were compared against existing wiki/sources/ pages before creation.
  • Full-PDF read: pdftotext -layout was run on the full PDF twice; extracted text hashes matched before the page was written.
  • Numeric verification: numeric/table-bearing lines were selected mechanically from the verified extraction and preserved without unit conversion or rounding.
  • Brand firewall: the worker skips PDFs when extracted numeric lines appear brand/manufacturer-sensitive; this page contains category-level or species-level evidence only.
  • HMTc firewall: no threshold, percentile, pass/fail, clean/dirty, or certification math is stated.

Update history

The five most recent substantive edits to this page, classified major (evidence or structure moved), correction (a published value or statement was wrong and has been fixed), or minor (narrative rewritten without changing the underlying evidence). Each description is derived from what the edit did to this page; the linked commit is the authoritative record, routine regeneration passes are excluded, and the full version history lives in git. When DOI minting comes online (see schema docs), each entry below will also link to a version-pinned DataCite DOI.

CommitDateChangeDescription
b01ec52c2026-08-04major2 sections added
d49e450f2026-08-03major5 sections added; narrative text revised