Physiology: enzyme activity · Nicotiana tabacum (tobacco)

1. molybdenum atomPositive and negative results4 papers: 3 positive, 1 negative or no effect
2. salicylic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
3. N-benzyladeninePositive and negative results2 papers: 1 positive, 1 negative or no effect
4. cadmium atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
5. sodium chloridePositive and negative results2 papers: 1 positive, 1 negative or no effect
6. (-)-methyl jasmonateResults agree2 papers: 2 positive, 0 negative or no effect
7. calcium atomResults agree2 papers: 2 positive, 0 negative or no effect
8. chitosanResults agree2 papers: 2 positive, 0 negative or no effect
9. copper atomResults agree2 papers: 0 positive, 2 negative or no effect
10. ethylenediaminetetraacetic acidResults agree2 papers: 0 positive, 2 negative or no effect
11. eugenolResults agree2 papers: 2 positive, 0 negative or no effect
12. organic acidResults agree2 papers: 2 positive, 0 negative or no effect
13. p-chloromercuribenzoic acidResults agree2 papers: 0 positive, 2 negative or no effect
14. silver ionResults agree2 papers: 0 positive, 2 negative or no effect
15. fertilizationPositive and negative results21 papers: 18 positive, 3 negative or no effect
16. nitrogenPositive and negative results8 papers: 6 positive, 2 negative or no effect
17. potassiumPositive and negative results6 papers: 2 positive, 4 negative or no effect
18. classPositive and negative results4 papers: 2 positive, 2 negative or no effect
19. heavy metalPositive and negative results4 papers: 1 positive, 3 negative or no effect
20. phosphorusPositive and negative results4 papers: 3 positive, 1 negative or no effect
21. transgenicPositive and negative results4 papers: 2 positive, 2 negative or no effect
22. droughtPositive and negative results2 papers: 1 positive, 1 negative or no effect
23. loss of functionResults agree8 papers: 0 positive, 8 negative or no effect
24. inoculationResults agree4 papers: 4 positive, 0 negative or no effect
25. applicationResults agree3 papers: 3 positive, 0 negative or no effect
26. biocharResults agree3 papers: 3 positive, 0 negative or no effect
27. otherResults agree3 papers: 3 positive, 0 negative or no effect
28. coldResults agree2 papers: 0 positive, 2 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.