Physiology: photosynthesis · Medicago sativa (alfalfa)

1. sodium chloridePositive and negative results8 papers: 1 positive, 7 negative or no effect
2. selenium atomPositive and negative results5 papers: 4 positive, 1 negative or no effect
3. cobalt atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
4. silicon atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
5. zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
6. melatoninResults agree6 papers: 6 positive, 0 negative or no effect
7. iron atomResults agree3 papers: 3 positive, 0 negative or no effect
8. Serendipita indicaResults agree2 papers: 2 positive, 0 negative or no effect
9. aluminium atomResults agree2 papers: 0 positive, 2 negative or no effect
10. salinityResults differ17 papers: 1 positive, 16 negative or no effect · 1 pair of papers confirmed to differ
11. co2Results differ10 papers: 7 positive, 3 negative or no effect · 1 pair of papers confirmed to differ
12. droughtPositive and negative results15 papers: 3 positive, 12 negative or no effect
13. inoculationPositive and negative results11 papers: 8 positive, 3 negative or no effect
14. heatPositive and negative results7 papers: 1 positive, 6 negative or no effect
15. lightPositive and negative results7 papers: 3 positive, 4 negative or no effect
16. biocharPositive and negative results5 papers: 4 positive, 1 negative or no effect
17. irrigationPositive and negative results5 papers: 4 positive, 1 negative or no effect
18. applicationPositive and negative results4 papers: 3 positive, 1 negative or no effect
19. pollutionPositive and negative results3 papers: 1 positive, 2 negative or no effect
20. botanicalPositive and negative results2 papers: 1 positive, 1 negative or no effect
21. coldPositive and negative results2 papers: 1 positive, 1 negative or no effect
22. pruningResults agree6 papers: 6 positive, 0 negative or no effect
23. fertilizationResults agree4 papers: 4 positive, 0 negative or no effect
24. floodingResults agree4 papers: 0 positive, 4 negative or no effect
25. heavy metalResults agree4 papers: 0 positive, 4 negative or no effect
26. mycorrhizaResults agree4 papers: 4 positive, 0 negative or no effect
27. nanoparticleResults agree4 papers: 4 positive, 0 negative or no effect
28. nitrogenResults agree4 papers: 4 positive, 0 negative or no effect
29. potassiumResults agree2 papers: 2 positive, 0 negative or no effect
30. seed treatmentResults 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.