- zinc atomPositive and negative results6 papers: 4 positive, 2 negative or no effect
- boron atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- zinc sulfateResults agree5 papers: 5 positive, 0 negative or no effect
- boric acidResults agree3 papers: 3 positive, 0 negative or no effect
- 2,4-DResults agree2 papers: 2 positive, 0 negative or no effect
- Septoglomus deserticolaResults agree2 papers: 2 positive, 0 negative or no effect
- applicationPositive and negative results14 papers: 10 positive, 4 negative or no effect
- graftingPositive and negative results3 papers: 2 positive, 1 negative or no effect
- micronutrientPositive and negative results3 papers: 2 positive, 1 negative or no effect
- nanoparticlePositive and negative results2 papers: 1 positive, 1 negative or no effect
- fertilizationResults agree8 papers: 8 positive, 0 negative or no effect
- nitrogenResults agree7 papers: 7 positive, 0 negative or no effect
- inoculationResults agree6 papers: 6 positive, 0 negative or no effect
- irrigationResults agree4 papers: 4 positive, 0 negative or no effect
- mulchingResults agree3 papers: 3 positive, 0 negative or no effect
- potassiumResults agree3 papers: 3 positive, 0 negative or no effect
- infectionResults agree2 papers: 2 positive, 0 negative or no effect
- mycorrhizaResults agree2 papers: 2 positive, 0 negative or no effect
- otherResults 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.