Physiology: pigments · Medicago sativa (alfalfa)

1. sodium chloridePositive and negative results6 papers: 1 positive, 5 negative or no effect
2. cobalt atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
3. manganese atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
4. silicon atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
5. sulfur atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
6. inoculationPositive and negative results7 papers: 6 positive, 1 negative or no effect
7. fertilizationPositive and negative results4 papers: 3 positive, 1 negative or no effect
8. heavy metalPositive and negative results4 papers: 1 positive, 3 negative or no effect
9. nanoparticlePositive and negative results4 papers: 3 positive, 1 negative or no effect
10. alkalinityPositive and negative results3 papers: 2 positive, 1 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.