- glucosePositive and negative results2 papers: 1 positive, 1 negative or no effect
- salicylic acidResults agree5 papers: 5 positive, 0 negative or no effect
- boron atomResults agree4 papers: 4 positive, 0 negative or no effect
- calcium atomResults agree4 papers: 4 positive, 0 negative or no effect
- 2,4-DResults agree2 papers: 2 positive, 0 negative or no effect
- aluminium atomResults agree2 papers: 2 positive, 0 negative or no effect
- silicon atomResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results8 papers: 7 positive, 1 negative or no effect
- applicationPositive and negative results3 papers: 2 positive, 1 negative or no effect
- nitrogenPositive and negative results3 papers: 2 positive, 1 negative or no effect
- droughtPositive and negative results2 papers: 1 positive, 1 negative or no effect
- salinityResults agree5 papers: 0 positive, 5 negative or no effect
- inoculationResults agree4 papers: 4 positive, 0 negative or no effect
- botanicalResults agree3 papers: 3 positive, 0 negative or no effect
- in vitroResults 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.