- salicylic acidResults differ8 papers: 5 positive, 3 negative or no effect · 1 pair of papers confirmed to differ
- sodium chloridePositive and negative results10 papers: 1 positive, 9 negative or no effect
- N-benzyladeninePositive and negative results7 papers: 6 positive, 1 negative or no effect
- cadmium atomPositive and negative results6 papers: 1 positive, 5 negative or no effect
- copper atomPositive and negative results5 papers: 4 positive, 1 negative or no effect
- manganese atomPositive and negative results4 papers: 1 positive, 3 negative or no effect
- sodium sulfatePositive and negative results4 papers: 1 positive, 3 negative or no effect
- aluminium atomPositive and negative results3 papers: 1 positive, 2 negative or no effect
- indole-3-acetic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
- silicon atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- (+)-abscisic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- Bacillus subtilisPositive and negative results2 papers: 1 positive, 1 negative or no effect
- Gibberellic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- boric acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- brassinolidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- calcium(2+)Positive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- magnesium atomResults agree5 papers: 5 positive, 0 negative or no effect
- glyphosateResults agree3 papers: 0 positive, 3 negative or no effect
- hydrogen sulfideResults agree3 papers: 3 positive, 0 negative or no effect
- iron atomResults agree3 papers: 3 positive, 0 negative or no effect
- melatoninResults agree3 papers: 3 positive, 0 negative or no effect
- poly(ethylene glycol)Results agree3 papers: 0 positive, 3 negative or no effect
- selenium atomResults agree3 papers: 3 positive, 0 negative or no effect
- acetylsalicylic acidResults agree2 papers: 2 positive, 0 negative or no effect
- ammonium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- atrazineResults agree2 papers: 0 positive, 2 negative or no effect
- etheneResults agree2 papers: 0 positive, 2 negative or no effect
- kinetinResults agree2 papers: 2 positive, 0 negative or no effect
- methanolResults agree2 papers: 2 positive, 0 negative or no effect
- molybdenum atomResults agree2 papers: 2 positive, 0 negative or no effect
- putrescineResults agree2 papers: 2 positive, 0 negative or no effect
- droughtPositive and negative results42 papers: 2 positive, 40 negative or no effect
- applicationPositive and negative results21 papers: 17 positive, 4 negative or no effect
- co2Positive and negative results15 papers: 9 positive, 6 negative or no effect
- inoculationPositive and negative results15 papers: 10 positive, 5 negative or no effect
- fertilizationPositive and negative results14 papers: 12 positive, 2 negative or no effect
- lightPositive and negative results14 papers: 7 positive, 7 negative or no effect
- phosphorusPositive and negative results12 papers: 9 positive, 3 negative or no effect
- nanoparticlePositive and negative results11 papers: 9 positive, 2 negative or no effect
- nitrogenPositive and negative results9 papers: 4 positive, 5 negative or no effect
- botanicalPositive and negative results8 papers: 7 positive, 1 negative or no effect
- heatPositive and negative results7 papers: 2 positive, 5 negative or no effect
- irrigationPositive and negative results7 papers: 3 positive, 4 negative or no effect
- ozonePositive and negative results7 papers: 1 positive, 6 negative or no effect
- shadePositive and negative results6 papers: 3 positive, 3 negative or no effect
- phPositive and negative results5 papers: 1 positive, 4 negative or no effect
- pruningPositive and negative results5 papers: 3 positive, 2 negative or no effect
- uvPositive and negative results5 papers: 1 positive, 4 negative or no effect
- floodingPositive and negative results4 papers: 1 positive, 3 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.