- calcium atomPositive and negative results21 papers: 19 positive, 2 negative or no effect
- zinc atomPositive and negative results19 papers: 18 positive, 1 negative or no effect
- calcium chloride dihydratePositive and negative results7 papers: 5 positive, 2 negative or no effect
- magnesium atomPositive and negative results5 papers: 3 positive, 2 negative or no effect
- Oryza sativaPositive and negative results3 papers: 2 positive, 1 negative or no effect
- aluminium atomPositive and negative results3 papers: 1 positive, 2 negative or no effect
- calcium dichloridePositive and negative results3 papers: 1 positive, 2 negative or no effect
- magnesium sulfatePositive and negative results3 papers: 2 positive, 1 negative or no effect
- manganese atomPositive and negative results3 papers: 1 positive, 2 negative or no effect
- (+)-abscisic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- N-benzyladeninePositive and negative results2 papers: 1 positive, 1 negative or no effect
- ammonium dihydrogen phosphatePositive and negative results2 papers: 1 positive, 1 negative or no effect
- azoxystrobinPositive and negative results2 papers: 1 positive, 1 negative or no effect
- inorganic saltPositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc sulfateResults agree8 papers: 8 positive, 0 negative or no effect
- silicon atomResults agree5 papers: 5 positive, 0 negative or no effect
- boron atomResults agree4 papers: 4 positive, 0 negative or no effect
- silicate(4-)Results agree4 papers: 4 positive, 0 negative or no effect
- potassium chlorideResults agree3 papers: 0 positive, 3 negative or no effect
- salicylic acidResults agree3 papers: 3 positive, 0 negative or no effect
- GlomusResults agree2 papers: 2 positive, 0 negative or no effect
- PseudomonasResults agree2 papers: 2 positive, 0 negative or no effect
- boric acidResults agree2 papers: 2 positive, 0 negative or no effect
- cadmium atomResults agree2 papers: 0 positive, 2 negative or no effect
- feldsparResults agree2 papers: 2 positive, 0 negative or no effect
- fusicoccinResults agree2 papers: 2 positive, 0 negative or no effect
- glucitolResults agree2 papers: 2 positive, 0 negative or no effect
- selenium atomResults agree2 papers: 2 positive, 0 negative or no effect
- silicon dioxideResults agree2 papers: 2 positive, 0 negative or no effect
- zinc oxideResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results123 papers: 97 positive, 26 negative or no effect
- nitrogenPositive and negative results33 papers: 24 positive, 9 negative or no effect
- inoculationPositive and negative results32 papers: 30 positive, 2 negative or no effect
- phosphorusPositive and negative results25 papers: 16 positive, 9 negative or no effect
- potassiumPositive and negative results17 papers: 13 positive, 4 negative or no effect
- otherPositive and negative results13 papers: 12 positive, 1 negative or no effect
- organicPositive and negative results10 papers: 7 positive, 3 negative or no effect
- irrigationPositive and negative results9 papers: 6 positive, 3 negative or no effect
- salinityPositive and negative results7 papers: 3 positive, 4 negative or no effect
- in vitroPositive and negative results6 papers: 5 positive, 1 negative or no effect
- limePositive and negative results6 papers: 4 positive, 2 negative or no effect
- tillagePositive and negative results6 papers: 4 positive, 2 negative or no effect
- cultivation systemPositive and negative results5 papers: 4 positive, 1 negative or no effect
- droughtPositive and negative results4 papers: 1 positive, 3 negative or no effect
- rotationPositive and negative results4 papers: 2 positive, 2 negative or no effect
- biocharPositive and negative results3 papers: 2 positive, 1 negative or no effect
- classPositive and negative results3 papers: 1 positive, 2 negative or no effect
- herbicidePositive and negative results3 papers: 2 positive, 1 negative or no effect
- lightPositive and negative results3 papers: 1 positive, 2 negative or no effect
- phPositive and negative results3 papers: 2 positive, 1 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.