- Gibberellic acidResults agree4 papers: 4 positive, 0 negative or no effect
- indole-3-acetic acidResults agree4 papers: 4 positive, 0 negative or no effect
- zinc atomResults agree4 papers: 4 positive, 0 negative or no effect
- iron(2+) sulfate (anhydrous)Results agree2 papers: 2 positive, 0 negative or no effect
- prolineResults agree2 papers: 2 positive, 0 negative or no effect
- zinc sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results67 papers: 62 positive, 5 negative or no effect
- inoculationPositive and negative results9 papers: 8 positive, 1 negative or no effect
- biocharPositive and negative results5 papers: 4 positive, 1 negative or no effect
- organicPositive and negative results5 papers: 4 positive, 1 negative or no effect
- salinityPositive and negative results3 papers: 2 positive, 1 negative or no effect
- infectionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- potassiumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- nitrogenResults agree17 papers: 17 positive, 0 negative or no effect
- otherResults agree9 papers: 9 positive, 0 negative or no effect
- applicationResults agree7 papers: 7 positive, 0 negative or no effect
- botanicalResults agree7 papers: 7 positive, 0 negative or no effect
- phosphorusResults agree5 papers: 5 positive, 0 negative or no effect
- mulchingResults agree4 papers: 4 positive, 0 negative or no effect
- mycorrhizaResults agree4 papers: 4 positive, 0 negative or no effect
- nanoparticleResults agree4 papers: 4 positive, 0 negative or no effect
- droughtResults agree2 papers: 0 positive, 2 negative or no effect
- limeResults 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.