Physiology: gas exchange · Helianthus annuus (common sunflower)

1. cadmium atomResults differ3 papers: 0 positive, 3 negative or no effect · 1 pair of papers confirmed to differ
2. silicon atomResults agree3 papers: 3 positive, 0 negative or no effect
3. chromium atomResults agree2 papers: 0 positive, 2 negative or no effect
4. imazamoxResults agree2 papers: 0 positive, 2 negative or no effect
5. lead atomResults agree2 papers: 0 positive, 2 negative or no effect
6. droughtResults differ7 papers: 0 positive, 7 negative or no effect · 4 pairs of papers confirmed to differ
7. co2Positive and negative results4 papers: 1 positive, 3 negative or no effect
8. irrigationPositive and negative results3 papers: 1 positive, 2 negative or no effect
9. potassiumPositive and negative results3 papers: 2 positive, 1 negative or no effect
10. applicationResults agree6 papers: 6 positive, 0 negative or no effect
11. salinityResults agree6 papers: 0 positive, 6 negative or no effect
12. heavy metalResults agree4 papers: 0 positive, 4 negative or no effect
13. biocharResults agree3 papers: 3 positive, 0 negative or no effect
14. uvResults agree3 papers: 0 positive, 3 negative or no effect
15. fertilizationResults agree2 papers: 2 positive, 0 negative or no effect
16. mycorrhizaResults agree2 papers: 2 positive, 0 negative or no effect
17. nitrogenResults agree2 papers: 2 positive, 0 negative or no effect
18. otherResults agree2 papers: 2 positive, 0 negative or no effect
19. phosphorusResults agree2 papers: 2 positive, 0 negative or no effect

Claims are grouped by organism, treatment and what was measured or targeted. Claims that compare genotypes are left out; a claim about lacking a nutrient counts the other way round in that nutrient’s question. “Results differ” marks a question where two model reviewers, reading both claims, accepted at least one pair of papers whose results differ.