- atrazinePositive and negative results2 papers: 1 positive, 1 negative or no effect
- AzotobacterResults agree2 papers: 2 positive, 0 negative or no effect
- iron atomResults agree2 papers: 2 positive, 0 negative or no effect
- zinc atomResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results9 papers: 7 positive, 2 negative or no effect
- nitrogenPositive and negative results3 papers: 2 positive, 1 negative or no effect
- salinityPositive and negative results3 papers: 1 positive, 2 negative or no effect
- irrigationPositive and negative results2 papers: 1 positive, 1 negative or no effect
- nanoparticlePositive and negative results2 papers: 1 positive, 1 negative or no effect
- processingResults agree7 papers: 7 positive, 0 negative or no effect
- inoculationResults agree5 papers: 5 positive, 0 negative or no effect
- applicationResults agree2 papers: 2 positive, 0 negative or no effect
- droughtResults agree2 papers: 0 positive, 2 negative or no effect
- heatResults 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.