- Gibberellic acidPositive and negative results5 papers: 4 positive, 1 negative or no effect
- 1-naphthaleneacetic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- fertilizationPositive and negative results21 papers: 19 positive, 2 negative or no effect
- mulchingPositive and negative results4 papers: 3 positive, 1 negative or no effect
- micronutrientPositive and negative results3 papers: 1 positive, 2 negative or no effect
- storagePositive and negative results3 papers: 1 positive, 2 negative or no effect
- herbicidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- seed treatmentPositive and negative results2 papers: 1 positive, 1 negative or no effect
- applicationResults agree4 papers: 4 positive, 0 negative or no effect
- botanicalResults agree2 papers: 2 positive, 0 negative or no effect
- infectionResults agree2 papers: 0 positive, 2 negative or no effect
- nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
- phosphorusResults agree2 papers: 2 positive, 0 negative or no effect
- radiationResults 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.