- shadePositive and negative results8 papers: 5 positive, 3 negative or no effect
- heatPositive and negative results7 papers: 3 positive, 4 negative or no effect
- infectionPositive and negative results7 papers: 1 positive, 6 negative or no effect
- potassiumPositive and negative results7 papers: 6 positive, 1 negative or no effect
- transplantingPositive and negative results7 papers: 5 positive, 2 negative or no effect
- intercroppingPositive and negative results5 papers: 4 positive, 1 negative or no effect
- pollinationPositive and negative results4 papers: 3 positive, 1 negative or no effect
- pruningPositive and negative results4 papers: 1 positive, 3 negative or no effect
- uvPositive and negative results4 papers: 3 positive, 1 negative or no effect
- humidityPositive and negative results3 papers: 1 positive, 2 negative or no effect
- phPositive and negative results3 papers: 1 positive, 2 negative or no effect
- rainfallPositive and negative results3 papers: 1 positive, 2 negative or no effect
- stagePositive and negative results3 papers: 1 positive, 2 negative or no effect
- insecticidePositive and negative results2 papers: 1 positive, 1 negative or no effect
- soil waterPositive and negative results2 papers: 1 positive, 1 negative or no effect
- mulchingResults agree11 papers: 11 positive, 0 negative or no effect
- biocontrolResults agree10 papers: 10 positive, 0 negative or no effect
- cultivation systemResults agree6 papers: 6 positive, 0 negative or no effect
- radiationResults agree5 papers: 5 positive, 0 negative or no effect
- co2Results agree4 papers: 4 positive, 0 negative or no effect
- processingResults agree4 papers: 4 positive, 0 negative or no effect
- trap barrierResults agree4 papers: 4 positive, 0 negative or no effect
- floodingResults agree3 papers: 0 positive, 3 negative or no effect
- herbicideResults agree3 papers: 3 positive, 0 negative or no effect
- mechanicalResults agree3 papers: 0 positive, 3 negative or no effect
- physical treatmentResults agree3 papers: 3 positive, 0 negative or no effect
- protected cultivationResults agree3 papers: 3 positive, 0 negative or no effect
- transgenicResults agree3 papers: 3 positive, 0 negative or no effect
- allelopathyResults agree2 papers: 2 positive, 0 negative or no effect
- ipmResults agree2 papers: 2 positive, 0 negative or no effect
- micronutrientResults agree2 papers: 2 positive, 0 negative or no effect
- resistance inducerResults agree2 papers: 2 positive, 0 negative or no effect
- sowing timeResults 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.