Physiology: photosynthesis · Camellia sinensis (black tea)

1. boron atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
2. zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
3. aluminium atomResults agree2 papers: 2 positive, 0 negative or no effect
4. sodium hydrogensulfiteResults agree2 papers: 2 positive, 0 negative or no effect
5. lightPositive and negative results3 papers: 2 positive, 1 negative or no effect
6. nitrogenPositive and negative results3 papers: 2 positive, 1 negative or no effect
7. droughtResults agree4 papers: 0 positive, 4 negative or no effect
8. co2Results agree3 papers: 3 positive, 0 negative or no effect
9. fertilizationResults agree3 papers: 3 positive, 0 negative or no effect
10. irrigationResults agree3 papers: 3 positive, 0 negative or no effect
11. heavy metalResults agree2 papers: 0 positive, 2 negative or no effect
12. inoculationResults agree2 papers: 2 positive, 0 negative or no effect
13. nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
14. phosphorusResults agree2 papers: 2 positive, 0 negative or no effect
15. shadeResults 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.