Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewedConventional

Glyphosate reduced seed and leaf concentrations of calcium, manganese, magnesium, and iron in non-glyphosate resistant soybean

Cakmak, I., A. Yazici, Y. Tutus, and K. Ozturk

European Journal of Agronomy · 2009

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Summary

This 2009 study by Cakmak and colleagues examined how glyphosate herbicide application affected micronutrient accumulation in non-glyphosate-resistant soybean varieties. The research found that glyphosate treatment reduced concentrations of key minerals—calcium, manganese, magnesium, and iron—in both seeds and leaves, suggesting that herbicide application may compromise the nutritional quality of soybean crops grown without genetic resistance to the compound. The findings contribute to understanding potential trade-offs between herbicide use and crop nutrient density in conventional arable systems.

Regional applicability

This study was conducted in Turkey and examined mineral uptake mechanisms in soybean, a crop grown at much smaller scale in the United Kingdom than in North America or Asia. However, the underlying agronomic principle—that herbicide chemistry can alter plant mineral nutrition—may have relevance to UK farmers considering glyphosate use on susceptible crop varieties, though direct field validation in UK soil and climate conditions would be needed to confirm applicability.

Key measures

Seed and leaf mineral concentrations (calcium, manganese, magnesium, iron) in glyphosate-treated versus untreated soybean

Outcomes reported

The study measured concentrations of calcium, manganese, magnesium, and iron in seeds and leaves of non-glyphosate-resistant soybean plants exposed to glyphosate herbicide application.

Theme
Farming systems, soils & land use
Subject
Crop nutrient density & mineral composition
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Turkey
System type
Arable cereals
DOI
10.1016/j.eja.2009.07.001
Catalogue ID
IRmqh56zun-1fe760

Topic tags

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