- cadmium atomPositive and negative results7 papers: 1 positive, 6 negative or no effect
- sodium chloridePositive and negative results6 papers: 1 positive, 5 negative or no effect
- calcium atomPositive and negative results4 papers: 2 positive, 2 negative or no effect
- (2-chloroethyl)phosphonic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- iron atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- nitric oxidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- tebuconazolePositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- salicylic acidResults agree6 papers: 6 positive, 0 negative or no effect
- melatoninResults agree3 papers: 3 positive, 0 negative or no effect
- Gibberellic acidResults agree2 papers: 2 positive, 0 negative or no effect
- chitosanResults agree2 papers: 2 positive, 0 negative or no effect
- sulfur atomResults agree2 papers: 2 positive, 0 negative or no effect
- salinityResults differ14 papers: 1 positive, 13 negative or no effect · 1 pair of papers confirmed to differ
- fertilizationPositive and negative results16 papers: 13 positive, 3 negative or no effect
- applicationPositive and negative results10 papers: 9 positive, 1 negative or no effect
- co2Positive and negative results6 papers: 1 positive, 5 negative or no effect
- botanicalPositive and negative results4 papers: 3 positive, 1 negative or no effect
- heatPositive and negative results4 papers: 2 positive, 2 negative or no effect
- infectionPositive and negative results4 papers: 1 positive, 3 negative or no effect
- lightPositive and negative results4 papers: 2 positive, 2 negative or no effect
- coldPositive and negative results3 papers: 2 positive, 1 negative or no effect
- mycorrhizaPositive and negative results3 papers: 2 positive, 1 negative or no effect
- nitrogenPositive and negative results3 papers: 2 positive, 1 negative or no effect
- potassiumPositive and negative results3 papers: 2 positive, 1 negative or no effect
- processingPositive and negative results3 papers: 1 positive, 2 negative or no effect
- storagePositive and negative results3 papers: 1 positive, 2 negative or no effect
- climate sitePositive and negative results2 papers: 1 positive, 1 negative or no effect
- heavy metalPositive and negative results2 papers: 1 positive, 1 negative or no effect
- irrigationPositive and negative results2 papers: 1 positive, 1 negative or no effect
- loss of functionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- phPositive and negative results2 papers: 1 positive, 1 negative or no effect
- droughtResults agree5 papers: 0 positive, 5 negative or no effect
- inoculationResults agree5 papers: 5 positive, 0 negative or no effect
- seed treatmentResults agree4 papers: 4 positive, 0 negative or no effect
- otherResults agree3 papers: 3 positive, 0 negative or no effect
- biocharResults agree2 papers: 2 positive, 0 negative or no effect
- nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
- radiationResults agree2 papers: 0 positive, 2 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.