- caffeinePositive and negative results5 papers: 4 positive, 1 negative or no effect
- zinc atomPositive and negative results4 papers: 3 positive, 1 negative or no effect
- calcium atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- copper atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- manganese atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- pendimethalinPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sodium chlorideResults agree3 papers: 0 positive, 3 negative or no effect
- Acidovorax radicisResults agree2 papers: 2 positive, 0 negative or no effect
- Pseudomonas fluorescensResults agree2 papers: 2 positive, 0 negative or no effect
- ammoniaResults agree2 papers: 2 positive, 0 negative or no effect
- carbofuranResults agree2 papers: 2 positive, 0 negative or no effect
- lead atomResults agree2 papers: 0 positive, 2 negative or no effect
- poly(ethylene glycol)Results agree2 papers: 2 positive, 0 negative or no effect
- salicylic acidResults agree2 papers: 2 positive, 0 negative or no effect
- silicon atomResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results9 papers: 6 positive, 3 negative or no effect
- inoculationPositive and negative results9 papers: 8 positive, 1 negative or no effect
- heatPositive and negative results7 papers: 5 positive, 2 negative or no effect
- tillagePositive and negative results7 papers: 3 positive, 4 negative or no effect
- droughtPositive and negative results6 papers: 1 positive, 5 negative or no effect
- insecticidePositive and negative results6 papers: 4 positive, 2 negative or no effect
- radiationPositive and negative results6 papers: 3 positive, 3 negative or no effect
- botanicalPositive and negative results4 papers: 2 positive, 2 negative or no effect
- nitrogenPositive and negative results4 papers: 2 positive, 2 negative or no effect
- sowing timePositive and negative results4 papers: 1 positive, 3 negative or no effect
- herbicidePositive and negative results3 papers: 1 positive, 2 negative or no effect
- nanoparticlePositive and negative results3 papers: 2 positive, 1 negative or no effect
- organicPositive and negative results3 papers: 1 positive, 2 negative or no effect
- phPositive and negative results3 papers: 2 positive, 1 negative or no effect
- salinityPositive and negative results3 papers: 1 positive, 2 negative or no effect
- storagePositive and negative results3 papers: 1 positive, 2 negative or no effect
- fungicidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- potassiumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- seed treatmentPositive and negative results2 papers: 1 positive, 1 negative or no effect
- processingResults agree7 papers: 7 positive, 0 negative or no effect
- densityResults agree4 papers: 4 positive, 0 negative or no effect
- co2Results agree3 papers: 0 positive, 3 negative or no effect
- floodingResults agree3 papers: 0 positive, 3 negative or no effect
- coldResults agree2 papers: 2 positive, 0 negative or no effect
- in vitroResults agree2 papers: 2 positive, 0 negative or no effect
- loss of functionResults agree2 papers: 0 positive, 2 negative or no effect
- otherResults agree2 papers: 2 positive, 0 negative or no effect
- phosphorusResults 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.