- zinc atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- calcium atomResults agree3 papers: 3 positive, 0 negative or no effect
- O-methyleugenolResults agree2 papers: 2 positive, 0 negative or no effect
- fragranceResults agree2 papers: 2 positive, 0 negative or no effect
- selenium atomResults agree2 papers: 2 positive, 0 negative or no effect
- sulfur atomResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results25 papers: 23 positive, 2 negative or no effect
- inoculationPositive and negative results14 papers: 12 positive, 2 negative or no effect
- otherPositive and negative results11 papers: 9 positive, 2 negative or no effect
- mycorrhizaPositive and negative results6 papers: 5 positive, 1 negative or no effect
- phosphorusPositive and negative results6 papers: 5 positive, 1 negative or no effect
- intercroppingPositive and negative results2 papers: 1 positive, 1 negative or no effect
- limePositive and negative results2 papers: 1 positive, 1 negative or no effect
- applicationResults agree5 papers: 5 positive, 0 negative or no effect
- nanoparticleResults agree5 papers: 5 positive, 0 negative or no effect
- nitrogenResults agree5 papers: 5 positive, 0 negative or no effect
- biocharResults agree4 papers: 4 positive, 0 negative or no effect
- potassiumResults agree4 papers: 4 positive, 0 negative or no effect
- irrigationResults agree3 papers: 3 positive, 0 negative or no effect
- graftingResults 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.