- sulfur atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- zinc atomResults agree4 papers: 4 positive, 0 negative or no effect
- heatResults differ3 papers: 2 positive, 1 negative or no effect · 1 pair of papers confirmed to differ
- nitrogenPositive and negative results24 papers: 23 positive, 1 negative or no effect
- fertilizationPositive and negative results20 papers: 15 positive, 5 negative or no effect
- tillagePositive and negative results10 papers: 6 positive, 4 negative or no effect
- droughtPositive and negative results5 papers: 3 positive, 2 negative or no effect
- irrigationPositive and negative results5 papers: 4 positive, 1 negative or no effect
- cultivation systemPositive and negative results3 papers: 1 positive, 2 negative or no effect
- rotationPositive and negative results3 papers: 2 positive, 1 negative or no effect
- sowing timePositive and negative results3 papers: 2 positive, 1 negative or no effect
- stagePositive and negative results2 papers: 1 positive, 1 negative or no effect
- uvPositive and negative results2 papers: 1 positive, 1 negative or no effect
- densityResults agree5 papers: 0 positive, 5 negative or no effect
- salinityResults agree5 papers: 0 positive, 5 negative or no effect
- applicationResults agree4 papers: 4 positive, 0 negative or no effect
- otherResults agree4 papers: 4 positive, 0 negative or no effect
- intercroppingResults agree3 papers: 3 positive, 0 negative or no effect
- botanicalResults agree2 papers: 2 positive, 0 negative or no effect
- co2Results agree2 papers: 0 positive, 2 negative or no effect
- inoculationResults 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.