- sodium chlorideResults differ5 papers: 1 positive, 4 negative or no effect · 1 pair of papers confirmed to differ
- sulfur atomPositive and negative results24 papers: 19 positive, 5 negative or no effect
- boron atomPositive and negative results22 papers: 16 positive, 6 negative or no effect
- zinc atomPositive and negative results15 papers: 13 positive, 2 negative or no effect
- silicon atomPositive and negative results9 papers: 8 positive, 1 negative or no effect
- cadmium atomPositive and negative results8 papers: 2 positive, 6 negative or no effect
- ammonium sulfatePositive and negative results7 papers: 6 positive, 1 negative or no effect
- ethylenediaminetetraacetic acidPositive and negative results6 papers: 5 positive, 1 negative or no effect
- calcium atomPositive and negative results5 papers: 3 positive, 2 negative or no effect
- molybdenum atomPositive and negative results5 papers: 4 positive, 1 negative or no effect
- copper atomPositive and negative results4 papers: 3 positive, 1 negative or no effect
- selenium atomPositive and negative results4 papers: 2 positive, 2 negative or no effect
- L-ascorbic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
- Triticum aestivumPositive and negative results3 papers: 2 positive, 1 negative or no effect
- boraxPositive and negative results3 papers: 2 positive, 1 negative or no effect
- manganese atomPositive and negative results3 papers: 2 positive, 1 negative or no effect
- 1-aminocyclopropanecarboxylic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- ethanolPositive and negative results2 papers: 1 positive, 1 negative or no effect
- glyphosatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- jasmonic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- magnesium sulfatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- phosphatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- sodium atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sodium sulfatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- iron atomResults agree6 papers: 6 positive, 0 negative or no effect
- glutathioneResults agree5 papers: 5 positive, 0 negative or no effect
- Gibberellic acidResults agree3 papers: 3 positive, 0 negative or no effect
- lead atomResults agree3 papers: 0 positive, 3 negative or no effect
- (+)-abscisic acidResults agree2 papers: 2 positive, 0 negative or no effect
- (-)-methyl jasmonateResults agree2 papers: 2 positive, 0 negative or no effect
- 1,4-dithiothreitolResults agree2 papers: 2 positive, 0 negative or no effect
- 3-aminobutanoic acidResults agree2 papers: 2 positive, 0 negative or no effect
- Bacillus cereusResults agree2 papers: 2 positive, 0 negative or no effect
- Cannabis sativa subsp. sativaResults agree2 papers: 2 positive, 0 negative or no effect
- Oryza sativaResults agree2 papers: 2 positive, 0 negative or no effect
- ThiobacillusResults agree2 papers: 2 positive, 0 negative or no effect
- Thiobacillus thioparusResults agree2 papers: 2 positive, 0 negative or no effect
- ammonium nitrateResults agree2 papers: 2 positive, 0 negative or no effect
- arsenic atomResults agree2 papers: 0 positive, 2 negative or no effect
- cyanoguanidineResults agree2 papers: 2 positive, 0 negative or no effect
- elemental sulfurResults agree2 papers: 2 positive, 0 negative or no effect
- hydrogen sulfideResults agree2 papers: 2 positive, 0 negative or no effect
- melatoninResults agree2 papers: 2 positive, 0 negative or no effect
- nickel atomResults agree2 papers: 0 positive, 2 negative or no effect
- potassium chlorideResults agree2 papers: 2 positive, 0 negative or no effect
- potassium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results109 papers: 95 positive, 14 negative or no effect
- nitrogenPositive and negative results53 papers: 46 positive, 7 negative or no effect
- inoculationPositive and negative results35 papers: 31 positive, 4 negative or no effect
- phosphorusPositive and negative results34 papers: 28 positive, 6 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.