- (+)-abscisic acidPositive and negative results6 papers: 4 positive, 2 negative or no effect
- Azadirachta indicaPositive and negative results3 papers: 2 positive, 1 negative or no effect
- Gibberellic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
- N-benzyladenineResults agree4 papers: 4 positive, 0 negative or no effect
- sodium chlorideResults agree4 papers: 0 positive, 4 negative or no effect
- silicon atomResults agree3 papers: 3 positive, 0 negative or no effect
- Nicotiana tabacumResults agree2 papers: 2 positive, 0 negative or no effect
- aluminium atomResults agree2 papers: 0 positive, 2 negative or no effect
- benzimidazoleResults agree2 papers: 2 positive, 0 negative or no effect
- magnesium atomResults agree2 papers: 2 positive, 0 negative or no effect
- mannitolResults agree2 papers: 2 positive, 0 negative or no effect
- spinosadResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results22 papers: 20 positive, 2 negative or no effect
- nitrogenPositive and negative results22 papers: 17 positive, 5 negative or no effect
- processingPositive and negative results18 papers: 12 positive, 6 negative or no effect
- loss of functionPositive and negative results13 papers: 6 positive, 7 negative or no effect
- irrigationPositive and negative results12 papers: 6 positive, 6 negative or no effect
- applicationPositive and negative results11 papers: 9 positive, 2 negative or no effect
- storagePositive and negative results10 papers: 5 positive, 5 negative or no effect
- botanicalPositive and negative results9 papers: 6 positive, 3 negative or no effect
- droughtPositive and negative results9 papers: 3 positive, 6 negative or no effect
- transplantingPositive and negative results8 papers: 5 positive, 3 negative or no effect
- co2Positive and negative results7 papers: 3 positive, 4 negative or no effect
- heatPositive and negative results7 papers: 2 positive, 5 negative or no effect
- coldPositive and negative results6 papers: 5 positive, 1 negative or no effect
- salinityPositive and negative results5 papers: 1 positive, 4 negative or no effect
- tillagePositive and negative results5 papers: 4 positive, 1 negative or no effect
- floodingPositive and negative results4 papers: 2 positive, 2 negative or no effect
- phosphorusPositive and negative results4 papers: 3 positive, 1 negative or no effect
- radiationPositive and negative results4 papers: 3 positive, 1 negative or no effect
- stagePositive and negative results4 papers: 1 positive, 3 negative or no effect
- shadePositive and negative results3 papers: 2 positive, 1 negative or no effect
- soil waterPositive and negative results3 papers: 2 positive, 1 negative or no effect
- sowing timePositive and negative results3 papers: 1 positive, 2 negative or no effect
- climate sitePositive and negative results2 papers: 1 positive, 1 negative or no effect
- lightResults agree4 papers: 4 positive, 0 negative or no effect
- potassiumResults agree4 papers: 4 positive, 0 negative or no effect
- classResults agree3 papers: 3 positive, 0 negative or no effect
- inoculationResults agree3 papers: 3 positive, 0 negative or no effect
- seed treatmentResults agree3 papers: 3 positive, 0 negative or no effect
- biocharResults agree2 papers: 2 positive, 0 negative or no effect
- densityResults agree2 papers: 0 positive, 2 negative or no effect
- nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
- overexpressionResults 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.