Abstract
In Poland 11% of soils feature elevated zinc content or slight zinc contamination. This investigation aimed at estimation of the effect of progressive acidification of slightly zinccontaminated soils on zinc content in plants and translocation of this metal downwards the soil profile. The study involved a two-year lysimetric experiment on lessive soil. The amount of zinc indicating slight soil contamination was introduced into 0.2 m of topsoil, which was subjected to progressive acidification with sulfuric acid solution in the course of the experiment. Zinc content proved to considerably increase in plants (barley straw and maize) only under strong acidification. Soil reaction did not significantly influence the zinc content in soil, both total and assayed in HCl zinc forms, while a considerable increase in easily soluble zinc forms (in CaCl2 solution) occurred on strongly acidified soils. Considering the whole research period, increasing soil acidification did not result in any alterations involving zinc content in Bbr and C horizons of soil profiles (below 30 cm).
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Claims 5
Claim · model-written summary
Strong acidification increased zinc content in barley straw.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree0 - Organ / stage
- strawe0
- Treatment
- strong acidificatione0
- Outcome
- Zinc contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Zinc content proved to considerably increase in plants (barley straw and maize) only under strong acidification”
Claim · model-written summary
Strong acidification increased zinc content in maize.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zinc content proved to considerably increase in plants (barley straw and maize) only under strong acidification”
Claim · model-written summary
Soil reaction did not significantly change total or HCl assayed soil zinc.
- Treatment
- Soil reactione0
- Outcome
- zinc content in soil, both total and assayed in HCl zinc formse0
- Direction
- did not significantly influencee0
Not reportedTaxonComparator
Verbatim
e0“Soil reaction did not significantly influence the zinc content in soil, both total and assayed in HCl zinc forms”
Claim · model-written summary
Strong acidification increased easily soluble soil zinc.
Not reportedTaxonComparator
Verbatim
e0“a considerable increase in easily soluble zinc forms (in CaCl2 solution) occurred on strongly acidified soils”
Claim · model-written summary
Increasing acidification did not alter zinc content below 30 cm over the study period.
- Treatment
- increasing soil acidificatione0
- Outcome
- zinc content in Bbr and C horizons of soil profilese0
- Direction
- did not result in any alterationse0
- Qualifier
- below 30 cme0
Not reportedTaxonComparator
Verbatim
e0“increasing soil acidification did not result in any alterations involving zinc content in Bbr and C horizons of soil profiles (below 30 cm)”
The same questions in other papers
ph · nutrient: content · Hordeum vulgare (barley)Positive and negative results
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- positive
- negative
- no effect
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See all 13 papers →ph · nutrient: content · Zea mays (maize)Positive and negative results
7 papers in the same direction as this paper · 12 in the opposite direction
- positive
- positive
- positive
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See all 20 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.