- calcium atomPositive and negative results4 papers: 2 positive, 2 negative or no effect
- copper atomPositive and negative results3 papers: 1 positive, 2 negative or no effect
- N-benzyladeninePositive and negative results2 papers: 1 positive, 1 negative or no effect
- mannitolPositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc sulfateResults agree4 papers: 4 positive, 0 negative or no effect
- calcium(2+)Results agree2 papers: 0 positive, 2 negative or no effect
- ethylenediaminetetraacetic acidResults agree2 papers: 2 positive, 0 negative or no effect
- lanthanum atomResults agree2 papers: 0 positive, 2 negative or no effect
- molybdenum atomResults agree2 papers: 2 positive, 0 negative or no effect
- sodium chlorideResults agree2 papers: 0 positive, 2 negative or no effect
- spermidineResults agree2 papers: 0 positive, 2 negative or no effect
- fertilizationPositive and negative results29 papers: 19 positive, 10 negative or no effect
- applicationPositive and negative results8 papers: 7 positive, 1 negative or no effect
- nitrogenPositive and negative results5 papers: 3 positive, 2 negative or no effect
- otherPositive and negative results4 papers: 3 positive, 1 negative or no effect
- processingPositive and negative results4 papers: 2 positive, 2 negative or no effect
- irrigationPositive 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
- sowing timePositive and negative results2 papers: 1 positive, 1 negative or no effect
- mycorrhizaResults agree3 papers: 3 positive, 0 negative or no effect
- organicResults agree3 papers: 3 positive, 0 negative or no effect
- biocharResults agree2 papers: 2 positive, 0 negative or no effect
- phosphorusResults agree2 papers: 0 positive, 2 negative or no effect
- potassiumResults agree2 papers: 2 positive, 0 negative or no effect
- salinityResults agree2 papers: 0 positive, 2 negative or no effect
- storageResults 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.