- silicon atomPositive and negative results19 papers: 17 positive, 2 negative or no effect
- calcium atomPositive and negative results6 papers: 4 positive, 2 negative or no effect
- silicate(4-)Positive and negative results4 papers: 3 positive, 1 negative or no effect
- calcium silicatePositive and negative results3 papers: 2 positive, 1 negative or no effect
- glyphosatePositive and negative results3 papers: 2 positive, 1 negative or no effect
- potassium chloridePositive and negative results3 papers: 1 positive, 2 negative or no effect
- Nitrospirillum amazonensePositive and negative results2 papers: 1 positive, 1 negative or no effect
- gypsumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc atomResults agree6 papers: 6 positive, 0 negative or no effect
- Pseudomonas fluorescensResults agree4 papers: 4 positive, 0 negative or no effect
- manganese atomResults agree4 papers: 0 positive, 4 negative or no effect
- Azospirillum brasilenseResults agree3 papers: 3 positive, 0 negative or no effect
- Bacillus subtilisResults agree3 papers: 3 positive, 0 negative or no effect
- aluminium atomResults agree3 papers: 0 positive, 3 negative or no effect
- GluconacetobacterResults agree2 papers: 2 positive, 0 negative or no effect
- diatomaceous earthResults agree2 papers: 2 positive, 0 negative or no effect
- sodium chlorideResults agree2 papers: 0 positive, 2 negative or no effect
- sulfur atomResults agree2 papers: 2 positive, 0 negative or no effect
- phosphorusResults differ15 papers: 14 positive, 1 negative or no effect · 1 pair of papers confirmed to differ
- fertilizationPositive and negative results78 papers: 71 positive, 7 negative or no effect
- nitrogenPositive and negative results31 papers: 23 positive, 8 negative or no effect
- inoculationPositive and negative results22 papers: 20 positive, 2 negative or no effect
- irrigationPositive and negative results11 papers: 8 positive, 3 negative or no effect
- organicPositive and negative results10 papers: 9 positive, 1 negative or no effect
- applicationPositive and negative results9 papers: 8 positive, 1 negative or no effect
- limePositive and negative results9 papers: 8 positive, 1 negative or no effect
- intercroppingPositive and negative results8 papers: 6 positive, 2 negative or no effect
- tillagePositive and negative results7 papers: 6 positive, 1 negative or no effect
- salinityPositive and negative results6 papers: 1 positive, 5 negative or no effect
- mulchingPositive and negative results5 papers: 4 positive, 1 negative or no effect
- otherPositive and negative results5 papers: 4 positive, 1 negative or no effect
- droughtPositive and negative results4 papers: 1 positive, 3 negative or no effect
- transplantingPositive and negative results4 papers: 3 positive, 1 negative or no effect
- biocharPositive and negative results3 papers: 2 positive, 1 negative or no effect
- densityPositive and negative results3 papers: 2 positive, 1 negative or no effect
- in vitroPositive and negative results3 papers: 2 positive, 1 negative or no effect
- rotationPositive and negative results3 papers: 2 positive, 1 negative or no effect
- infectionPositive and negative results2 papers: 1 positive, 1 negative or no effect
- potassiumResults agree10 papers: 10 positive, 0 negative or no effect
- mycorrhizaResults agree4 papers: 4 positive, 0 negative or no effect
- botanicalResults agree2 papers: 2 positive, 0 negative or no effect
- heavy metalResults agree2 papers: 0 positive, 2 negative or no effect
- herbicideResults agree2 papers: 2 positive, 0 negative or no effect
- processingResults agree2 papers: 2 positive, 0 negative or no effect
- stageResults 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.