- ascorbic acidResults differ2 papers: 1 positive, 1 negative or no effect · 1 pair of papers confirmed to differ
- zinc atomPositive and negative results5 papers: 4 positive, 1 negative or no effect
- sodium chloridePositive and negative results4 papers: 2 positive, 2 negative or no effect
- lead atomResults agree3 papers: 0 positive, 3 negative or no effect
- 24-epi-brassinolideResults agree2 papers: 2 positive, 0 negative or no effect
- Gibberellic acidResults agree2 papers: 2 positive, 0 negative or no effect
- cadmium atomResults agree2 papers: 0 positive, 2 negative or no effect
- chitosanResults agree2 papers: 2 positive, 0 negative or no effect
- potassium hydrogencarbonateResults agree2 papers: 2 positive, 0 negative or no effect
- salicylic acidResults agree2 papers: 2 positive, 0 negative or no effect
- zinc oxideResults agree2 papers: 2 positive, 0 negative or no effect
- zinc oxide nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
- salinityResults differ8 papers: 2 positive, 6 negative or no effect · 3 pairs of papers confirmed to differ
- co2Results differ3 papers: 1 positive, 2 negative or no effect · 1 pair of papers confirmed to differ
- fertilizationPositive and negative results16 papers: 15 positive, 1 negative or no effect
- inoculationPositive and negative results5 papers: 3 positive, 2 negative or no effect
- irrigationPositive and negative results4 papers: 2 positive, 2 negative or no effect
- organicPositive and negative results3 papers: 2 positive, 1 negative or no effect
- lightPositive and negative results2 papers: 1 positive, 1 negative or no effect
- droughtResults agree8 papers: 0 positive, 8 negative or no effect
- applicationResults agree7 papers: 7 positive, 0 negative or no effect
- botanicalResults agree6 papers: 6 positive, 0 negative or no effect
- graftingResults agree6 papers: 6 positive, 0 negative or no effect
- nanoparticleResults agree5 papers: 5 positive, 0 negative or no effect
- otherResults agree5 papers: 5 positive, 0 negative or no effect
- floodingResults agree3 papers: 0 positive, 3 negative or no effect
- growing mediumResults agree3 papers: 3 positive, 0 negative or no effect
- nitrogenResults agree3 papers: 3 positive, 0 negative or no effect
- heatResults agree2 papers: 0 positive, 2 negative or no effect
- transplantingResults 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.