- zinc atomPositive and negative results6 papers: 4 positive, 2 negative or no effect
- boron atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sucrosePositive and negative results2 papers: 1 positive, 1 negative or no effect
- Gibberellic acidResults agree8 papers: 8 positive, 0 negative or no effect
- calcium atomResults agree5 papers: 5 positive, 0 negative or no effect
- AzotobacterResults agree4 papers: 4 positive, 0 negative or no effect
- cadmium atomResults agree4 papers: 0 positive, 4 negative or no effect
- 1-naphthaleneacetic acidResults agree3 papers: 3 positive, 0 negative or no effect
- AzospirillumResults agree3 papers: 3 positive, 0 negative or no effect
- kinetinResults agree3 papers: 3 positive, 0 negative or no effect
- 2,4-DResults agree2 papers: 2 positive, 0 negative or no effect
- Calotropis proceraResults agree2 papers: 2 positive, 0 negative or no effect
- N-benzyladenineResults agree2 papers: 2 positive, 0 negative or no effect
- elemental sulfurResults agree2 papers: 2 positive, 0 negative or no effect
- lead atomResults agree2 papers: 0 positive, 2 negative or no effect
- salicylic acidResults agree2 papers: 2 positive, 0 negative or no effect
- zinc sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationResults differ112 papers: 107 positive, 5 negative or no effect · 1 pair of papers confirmed to differ
- potassiumResults differ10 papers: 7 positive, 3 negative or no effect · 3 pairs of papers confirmed to differ
- nitrogenPositive and negative results21 papers: 18 positive, 3 negative or no effect
- applicationPositive and negative results17 papers: 14 positive, 3 negative or no effect
- densityPositive and negative results15 papers: 14 positive, 1 negative or no effect
- phosphorusPositive and negative results12 papers: 8 positive, 4 negative or no effect
- irrigationPositive and negative results8 papers: 6 positive, 2 negative or no effect
- lightPositive and negative results8 papers: 7 positive, 1 negative or no effect
- sowing timePositive and negative results7 papers: 6 positive, 1 negative or no effect
- co2Positive and negative results6 papers: 5 positive, 1 negative or no effect
- growing mediumPositive and negative results5 papers: 4 positive, 1 negative or no effect
- magneticPositive and negative results5 papers: 3 positive, 2 negative or no effect
- in vitroPositive and negative results4 papers: 3 positive, 1 negative or no effect
- mulchingPositive and negative results4 papers: 3 positive, 1 negative or no effect
- salinityPositive and negative results4 papers: 2 positive, 2 negative or no effect
- botanicalPositive and negative results3 papers: 2 positive, 1 negative or no effect
- droughtPositive and negative results3 papers: 1 positive, 2 negative or no effect
- radiationPositive and negative results3 papers: 1 positive, 2 negative or no effect
- ozonePositive and negative results2 papers: 1 positive, 1 negative or no effect
- inoculationResults agree10 papers: 10 positive, 0 negative or no effect
- organicResults agree10 papers: 10 positive, 0 negative or no effect
- otherResults agree10 papers: 10 positive, 0 negative or no effect
- intercroppingResults agree8 papers: 8 positive, 0 negative or no effect
- nanoparticleResults agree4 papers: 4 positive, 0 negative or no effect
- biocharResults agree3 papers: 3 positive, 0 negative or no effect
- limeResults agree3 papers: 3 positive, 0 negative or no effect
- pruningResults agree2 papers: 0 positive, 2 negative or no effect
- seed treatmentResults agree2 papers: 2 positive, 0 negative or no effect
- soil waterResults agree2 papers: 2 positive, 0 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.