- sodium chloridePositive and negative results7 papers: 2 positive, 5 negative or no effect
- MefluididePositive and negative results6 papers: 4 positive, 2 negative or no effect
- paclobutrazolPositive and negative results6 papers: 3 positive, 3 negative or no effect
- cadmium atomPositive and negative results4 papers: 2 positive, 2 negative or no effect
- trinexapac-ethylPositive and negative results4 papers: 3 positive, 1 negative or no effect
- FlurprimidolPositive and negative results3 papers: 2 positive, 1 negative or no effect
- glyphosatePositive and negative results3 papers: 2 positive, 1 negative or no effect
- (2-chloroethyl)phosphonic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- cadmium(2+)Positive and negative results2 papers: 1 positive, 1 negative or no effect
- sulfatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- silicon atomResults agree7 papers: 7 positive, 0 negative or no effect
- Medicago sativaResults agree3 papers: 0 positive, 3 negative or no effect
- calcium(2+)Results agree3 papers: 3 positive, 0 negative or no effect
- sodium nitroprussideResults agree3 papers: 3 positive, 0 negative or no effect
- 2,4-DResults agree2 papers: 0 positive, 2 negative or no effect
- Bacillus subtilisResults agree2 papers: 2 positive, 0 negative or no effect
- Diversispora versiformisResults agree2 papers: 2 positive, 0 negative or no effect
- calcium atomResults agree2 papers: 2 positive, 0 negative or no effect
- calcium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- copper atomResults agree2 papers: 0 positive, 2 negative or no effect
- dicambaResults agree2 papers: 0 positive, 2 negative or no effect
- imazapicResults agree2 papers: 2 positive, 0 negative or no effect
- lead atomResults agree2 papers: 0 positive, 2 negative or no effect
- melatoninResults agree2 papers: 2 positive, 0 negative or no effect
- salicylic acidResults agree2 papers: 2 positive, 0 negative or no effect
- co2Results differ9 papers: 6 positive, 3 negative or no effect · 2 pairs of papers confirmed to differ
- floodingResults differ8 papers: 3 positive, 5 negative or no effect · 2 pairs of papers confirmed to differ
- fertilizationPositive and negative results23 papers: 15 positive, 8 negative or no effect
- nitrogenPositive and negative results21 papers: 14 positive, 7 negative or no effect
- inoculationPositive and negative results18 papers: 15 positive, 3 negative or no effect
- botanicalPositive and negative results15 papers: 3 positive, 12 negative or no effect
- salinityPositive and negative results11 papers: 1 positive, 10 negative or no effect
- pruningPositive and negative results10 papers: 4 positive, 6 negative or no effect
- heatPositive and negative results8 papers: 2 positive, 6 negative or no effect
- mycorrhizaPositive and negative results8 papers: 6 positive, 2 negative or no effect
- irrigationPositive and negative results6 papers: 4 positive, 2 negative or no effect
- lightPositive and negative results6 papers: 4 positive, 2 negative or no effect
- nanoparticlePositive and negative results6 papers: 4 positive, 2 negative or no effect
- phosphorusPositive and negative results6 papers: 5 positive, 1 negative or no effect
- classPositive and negative results5 papers: 4 positive, 1 negative or no effect
- otherPositive and negative results5 papers: 4 positive, 1 negative or no effect
- herbicidePositive and negative results4 papers: 1 positive, 3 negative or no effect
- infectionPositive and negative results4 papers: 2 positive, 2 negative or no effect
- radiationPositive and negative results4 papers: 3 positive, 1 negative or no effect
- heavy metalPositive and negative results3 papers: 1 positive, 2 negative or no effect
- mechanicalPositive and negative results3 papers: 2 positive, 1 negative or no effect
- growing mediumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- in vitroPositive and negative results2 papers: 1 positive, 1 negative or no effect
- insecticidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- limePositive and negative results2 papers: 1 positive, 1 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.