- RhizobiumPositive and negative results26 papers: 25 positive, 1 negative or no effect
- MesorhizobiumPositive and negative results6 papers: 5 positive, 1 negative or no effect
- zinc atomResults agree33 papers: 33 positive, 0 negative or no effect
- sulfur atomResults agree17 papers: 17 positive, 0 negative or no effect
- iron atomResults agree12 papers: 12 positive, 0 negative or no effect
- zinc sulfateResults agree11 papers: 11 positive, 0 negative or no effect
- iron(2+) sulfate (anhydrous)Results agree7 papers: 7 positive, 0 negative or no effect
- boron atomResults agree6 papers: 6 positive, 0 negative or no effect
- Rhizophagus fasciculatusResults agree4 papers: 4 positive, 0 negative or no effect
- salicylic acidResults agree4 papers: 4 positive, 0 negative or no effect
- Gibberellic acidResults agree3 papers: 3 positive, 0 negative or no effect
- Mesorhizobium ciceriResults agree3 papers: 3 positive, 0 negative or no effect
- boraxResults agree3 papers: 3 positive, 0 negative or no effect
- diammonium hydrogen phosphateResults agree3 papers: 3 positive, 0 negative or no effect
- ammonium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- bentoniteResults agree2 papers: 2 positive, 0 negative or no effect
- chromium atomResults agree2 papers: 0 positive, 2 negative or no effect
- copper atomResults agree2 papers: 2 positive, 0 negative or no effect
- molybdenum atomResults agree2 papers: 2 positive, 0 negative or no effect
- nitric oxideResults agree2 papers: 2 positive, 0 negative or no effect
- pendimethalinResults agree2 papers: 2 positive, 0 negative or no effect
- potassium nitrateResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results81 papers: 80 positive, 1 negative or no effect
- inoculationPositive and negative results63 papers: 57 positive, 6 negative or no effect
- applicationPositive and negative results39 papers: 38 positive, 1 negative or no effect
- phosphorusPositive and negative results38 papers: 37 positive, 1 negative or no effect
- mycorrhizaPositive and negative results11 papers: 10 positive, 1 negative or no effect
- herbicidePositive and negative results10 papers: 8 positive, 2 negative or no effect
- tillagePositive and negative results10 papers: 9 positive, 1 negative or no effect
- droughtPositive and negative results6 papers: 3 positive, 3 negative or no effect
- processingPositive and negative results6 papers: 4 positive, 2 negative or no effect
- co2Positive and negative results3 papers: 1 positive, 2 negative or no effect
- heatPositive and negative results2 papers: 1 positive, 1 negative or no effect
- nitrogenResults agree9 papers: 9 positive, 0 negative or no effect
- otherResults agree9 papers: 9 positive, 0 negative or no effect
- potassiumResults agree9 papers: 9 positive, 0 negative or no effect
- organicResults agree8 papers: 8 positive, 0 negative or no effect
- irrigationResults agree7 papers: 7 positive, 0 negative or no effect
- seed treatmentResults agree7 papers: 7 positive, 0 negative or no effect
- biocharResults agree6 papers: 6 positive, 0 negative or no effect
- nanoparticleResults agree6 papers: 6 positive, 0 negative or no effect
- salinityResults agree6 papers: 0 positive, 6 negative or no effect
- sowing timeResults agree5 papers: 5 positive, 0 negative or no effect
- limeResults agree4 papers: 4 positive, 0 negative or no effect
- micronutrientResults agree3 papers: 3 positive, 0 negative or no effect
- stageResults agree3 papers: 3 positive, 0 negative or no effect
- coldResults agree2 papers: 0 positive, 2 negative or no effect
- densityResults agree2 papers: 2 positive, 0 negative or no effect
- intercroppingResults agree2 papers: 2 positive, 0 negative or no effect
- mulchingResults 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.