- zinc atomPositive and negative results9 papers: 8 positive, 1 negative or no effect
- cadmium atomPositive and negative results5 papers: 1 positive, 4 negative or no effect
- Meloidogyne incognitaPositive and negative results3 papers: 1 positive, 2 negative or no effect
- thioureaPositive and negative results3 papers: 2 positive, 1 negative or no effect
- nickel atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sulfatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- sulfur atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- iron atomResults agree7 papers: 7 positive, 0 negative or no effect
- salicylic acidResults agree7 papers: 7 positive, 0 negative or no effect
- boron atomResults agree5 papers: 5 positive, 0 negative or no effect
- RhizobiumResults agree4 papers: 4 positive, 0 negative or no effect
- Bacillus subtilisResults agree3 papers: 3 positive, 0 negative or no effect
- chromium atomResults agree3 papers: 0 positive, 3 negative or no effect
- iron(2+) sulfate (anhydrous)Results agree3 papers: 3 positive, 0 negative or no effect
- melatoninResults agree3 papers: 3 positive, 0 negative or no effect
- 24-epi-brassinolideResults agree2 papers: 2 positive, 0 negative or no effect
- Agroathelia rolfsiiResults agree2 papers: 0 positive, 2 negative or no effect
- Funneliformis mosseaeResults agree2 papers: 2 positive, 0 negative or no effect
- Gibberellic acidResults agree2 papers: 2 positive, 0 negative or no effect
- MesorhizobiumResults agree2 papers: 2 positive, 0 negative or no effect
- Rhizophagus fasciculatusResults agree2 papers: 2 positive, 0 negative or no effect
- TrichodermaResults agree2 papers: 2 positive, 0 negative or no effect
- ammonium molybdateResults agree2 papers: 2 positive, 0 negative or no effect
- arsenic atomResults agree2 papers: 0 positive, 2 negative or no effect
- copper atomResults agree2 papers: 2 positive, 0 negative or no effect
- kinetinResults agree2 papers: 2 positive, 0 negative or no effect
- potassium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- prolineResults agree2 papers: 2 positive, 0 negative or no effect
- selenium atomResults agree2 papers: 2 positive, 0 negative or no effect
- silver nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
- sodium chlorideResults agree2 papers: 0 positive, 2 negative or no effect
- sodium nitroprussideResults agree2 papers: 2 positive, 0 negative or no effect
- spermidineResults agree2 papers: 2 positive, 0 negative or no effect
- zinc sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- droughtResults differ17 papers: 2 positive, 15 negative or no effect · 10 pairs of papers confirmed to differ
- salinityResults differ16 papers: 0 positive, 16 negative or no effect · 2 pairs of papers confirmed to differ
- inoculationPositive and negative results25 papers: 22 positive, 3 negative or no effect
- mycorrhizaPositive and negative results7 papers: 6 positive, 1 negative or no effect
- nitrogenPositive and negative results4 papers: 3 positive, 1 negative or no effect
- irrigationPositive and negative results3 papers: 2 positive, 1 negative or no effect
- botanicalPositive and negative results2 papers: 1 positive, 1 negative or no effect
- infectionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- applicationResults agree18 papers: 18 positive, 0 negative or no effect
- fertilizationResults agree11 papers: 11 positive, 0 negative or no effect
- nanoparticleResults agree8 papers: 8 positive, 0 negative or no effect
- phosphorusResults agree7 papers: 7 positive, 0 negative or no effect
- seed treatmentResults agree6 papers: 6 positive, 0 negative or no effect
- heavy metalResults agree5 papers: 0 positive, 5 negative or no effect
- classResults agree4 papers: 4 positive, 0 negative or no effect
- biocharResults agree3 papers: 3 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.