- cadmium atomPositive and negative results5 papers: 1 positive, 4 negative or no effect
- copper atomPositive and negative results5 papers: 2 positive, 3 negative or no effect
- indole-3-butyric acidPositive and negative results4 papers: 3 positive, 1 negative or no effect
- zinc atomPositive and negative results4 papers: 1 positive, 3 negative or no effect
- Gibberellic acidPositive and negative results3 papers: 1 positive, 2 negative or no effect
- magnesium atomPositive and negative results3 papers: 1 positive, 2 negative or no effect
- aluminium atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- silver nanoparticlePositive and negative results2 papers: 1 positive, 1 negative or no effect
- N-benzyladenineResults agree4 papers: 4 positive, 0 negative or no effect
- FusariumResults agree2 papers: 0 positive, 2 negative or no effect
- Trichoderma harzianumResults agree2 papers: 2 positive, 0 negative or no effect
- calcium atomResults agree2 papers: 0 positive, 2 negative or no effect
- sulfur dioxideResults agree2 papers: 0 positive, 2 negative or no effect
- mycorrhizaResults differ13 papers: 8 positive, 5 negative or no effect · 2 pairs of papers confirmed to differ
- fertilizationPositive and negative results33 papers: 24 positive, 9 negative or no effect
- inoculationPositive and negative results18 papers: 17 positive, 1 negative or no effect
- nitrogenPositive and negative results18 papers: 15 positive, 3 negative or no effect
- co2Positive and negative results13 papers: 9 positive, 4 negative or no effect
- lightPositive and negative results11 papers: 8 positive, 3 negative or no effect
- pruningPositive and negative results11 papers: 5 positive, 6 negative or no effect
- droughtPositive and negative results9 papers: 1 positive, 8 negative or no effect
- applicationPositive and negative results8 papers: 7 positive, 1 negative or no effect
- climate sitePositive and negative results8 papers: 4 positive, 4 negative or no effect
- botanicalPositive and negative results7 papers: 6 positive, 1 negative or no effect
- otherPositive and negative results7 papers: 5 positive, 2 negative or no effect
- in vitroPositive and negative results6 papers: 2 positive, 4 negative or no effect
- irrigationPositive and negative results6 papers: 4 positive, 2 negative or no effect
- radiationPositive and negative results6 papers: 2 positive, 4 negative or no effect
- coldPositive and negative results5 papers: 2 positive, 3 negative or no effect
- rainfallPositive and negative results5 papers: 3 positive, 2 negative or no effect
- growing mediumPositive and negative results4 papers: 3 positive, 1 negative or no effect
- ozonePositive and negative results4 papers: 1 positive, 3 negative or no effect
- firePositive and negative results3 papers: 2 positive, 1 negative or no effect
- nanoparticlePositive and negative results3 papers: 2 positive, 1 negative or no effect
- biocharPositive and negative results2 papers: 1 positive, 1 negative or no effect
- competitionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- limePositive and negative results2 papers: 1 positive, 1 negative or no effect
- phPositive and negative results2 papers: 1 positive, 1 negative or no effect
- phosphorusPositive and negative results2 papers: 1 positive, 1 negative or no effect
- potassiumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- uvPositive and negative results2 papers: 1 positive, 1 negative or no effect
- pollutionResults agree7 papers: 0 positive, 7 negative or no effect
- classResults agree5 papers: 5 positive, 0 negative or no effect
- seed treatmentResults agree4 papers: 4 positive, 0 negative or no effect
- shadeResults agree4 papers: 0 positive, 4 negative or no effect
- tillageResults agree4 papers: 4 positive, 0 negative or no effect
- heatResults agree3 papers: 3 positive, 0 negative or no effect
- storageResults agree3 papers: 3 positive, 0 negative or no effect
- biocontrolResults agree2 papers: 0 positive, 2 negative or no effect
- floodingResults 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.