- zinc atomPositive and negative results10 papers: 8 positive, 2 negative or no effect
- boron atomPositive and negative results5 papers: 4 positive, 1 negative or no effect
- RhizobiumPositive and negative results4 papers: 3 positive, 1 negative or no effect
- Gibberellic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
- molybdenum atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- indole-3-acetic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sodium chlorideResults agree8 papers: 0 positive, 8 negative or no effect
- Funneliformis mosseaeResults agree4 papers: 4 positive, 0 negative or no effect
- Oryza sativaResults agree4 papers: 4 positive, 0 negative or no effect
- salicylic acidResults agree4 papers: 4 positive, 0 negative or no effect
- selenium atomResults agree4 papers: 4 positive, 0 negative or no effect
- Rhizobium leguminosarumResults agree3 papers: 3 positive, 0 negative or no effect
- ascorbic acidResults agree3 papers: 3 positive, 0 negative or no effect
- cobalt atomResults agree3 papers: 3 positive, 0 negative or no effect
- p-chloromercuribenzenesulfonic acidResults agree3 papers: 0 positive, 3 negative or no effect
- calcium atomResults agree2 papers: 2 positive, 0 negative or no effect
- ioxynilResults agree2 papers: 0 positive, 2 negative or no effect
- iron atomResults agree2 papers: 2 positive, 0 negative or no effect
- lanthanum atomResults agree2 papers: 2 positive, 0 negative or no effect
- manganese atomResults agree2 papers: 2 positive, 0 negative or no effect
- melatoninResults agree2 papers: 2 positive, 0 negative or no effect
- silicate(4-)Results agree2 papers: 2 positive, 0 negative or no effect
- sulfur atomResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results61 papers: 54 positive, 7 negative or no effect
- intercroppingPositive and negative results23 papers: 20 positive, 3 negative or no effect
- applicationPositive and negative results22 papers: 21 positive, 1 negative or no effect
- phosphorusPositive and negative results19 papers: 17 positive, 2 negative or no effect
- nitrogenPositive and negative results17 papers: 15 positive, 2 negative or no effect
- otherPositive and negative results17 papers: 16 positive, 1 negative or no effect
- salinityPositive and negative results10 papers: 2 positive, 8 negative or no effect
- irrigationPositive and negative results6 papers: 4 positive, 2 negative or no effect
- processingPositive and negative results6 papers: 5 positive, 1 negative or no effect
- tillagePositive and negative results5 papers: 3 positive, 2 negative or no effect
- co2Positive and negative results3 papers: 1 positive, 2 negative or no effect
- infectionPositive and negative results3 papers: 1 positive, 2 negative or no effect
- phPositive and negative results3 papers: 1 positive, 2 negative or no effect
- classPositive and negative results2 papers: 1 positive, 1 negative or no effect
- inoculationResults agree39 papers: 39 positive, 0 negative or no effect
- mycorrhizaResults agree16 papers: 16 positive, 0 negative or no effect
- potassiumResults agree12 papers: 12 positive, 0 negative or no effect
- biocharResults agree10 papers: 10 positive, 0 negative or no effect
- botanicalResults agree6 papers: 6 positive, 0 negative or no effect
- nanoparticleResults agree6 papers: 6 positive, 0 negative or no effect
- micronutrientResults agree4 papers: 4 positive, 0 negative or no effect
- organicResults agree4 papers: 4 positive, 0 negative or no effect
- coldResults agree3 papers: 0 positive, 3 negative or no effect
- densityResults agree3 papers: 3 positive, 0 negative or no effect
- seed treatmentResults agree3 papers: 3 positive, 0 negative or no effect
- droughtResults agree2 papers: 0 positive, 2 negative or no effect
- lightResults 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.