New Zealand soil has a low concentration of selenium.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that New Zealand soil has a low concentration of selenium?

Yes. Scientific literature and agricultural practices in New Zealand consistently document low native selenium levels in soils, necessitating ongoing pasture top-dressing and supplementation to prevent deficiencies in livestock.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked 4 Oct 2026

The analysis

Multiple historical and agricultural studies from New Zealand discuss the management and correction of selenium-deficient soils and pastures, confirming the empirical claim.

Evidence for · 5

Selenium adsorption by New Zealand soils

1976

This study evaluates selenium adsorption across various representative New Zealand soils, establishing context regarding baseline soil properties and management.

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John, M. K., Saunders, W. M. H., & Watkinson, J. H. (1976). Selenium adsorption by New Zealand soils. doi.org. https://doi.org/10.1080/00288233.1976.10426760

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More for · 4

Pasture top‐dressing with selenium

1965

This historical trial discusses raising the selenium content of pastures specifically in selenium-deficient areas in New Zealand through top-dressing.

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Grant, A. B. (1965). Pasture top‐dressing with selenium. doi.org. https://doi.org/10.1080/00288233.1965.10419908

Uptake of native and applied selenium by pasture species

1967

This study examines selenium uptake in New Zealand pastures on soils that require selenium supplementation.

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Watkinson, J. H. & Davies, E. B. (1967). Uptake of native and applied selenium by pasture species. doi.org. https://doi.org/10.1080/00288233.1967.10423082

Effect of topdressing pasture with selenium prills on selenium concentration in blood of stock

1977

This study examines methods to prevent selenium deficiency in livestock grazing on New Zealand pastures.

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Elst, F. C. C. H. v. d. & Watkinson, J. H. (1977). Effect of topdressing pasture with selenium prills on selenium concentration in blood of stock. doi.org. https://doi.org/10.1080/03015521.1977.10425938

A field comparison of pasture selenium uptake from different forms of selenium fertiliser

2006

This field trial compares selenium fertilizers designed to correct selenium deficiencies in New Zealand pasture herbage.

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McLaren, R. G. & Clucas, L. M. (2006). A field comparison of pasture selenium uptake from different forms of selenium fertiliser. doi.org. https://doi.org/10.1080/00288233.2006.9513713

What does the evidence say?

Multiple historical and agricultural studies from New Zealand discuss the management and correction of selenium-deficient soils and pastures, confirming the empirical claim.

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