- calcium atomPositive and negative results4 papers: 3 positive, 1 negative or no effect
- sucrosePositive and negative results3 papers: 1 positive, 2 negative or no effect
- salicylic acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- sodium atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- calcium chloride dihydrateResults agree3 papers: 3 positive, 0 negative or no effect
- aluminium sulfate (anhydrous)Results agree2 papers: 0 positive, 2 negative or no effect
- quinolin-8-olResults agree2 papers: 2 positive, 0 negative or no effect
- silicon atomResults agree2 papers: 2 positive, 0 negative or no effect
- phPositive and negative results2 papers: 1 positive, 1 negative or no effect
- potassiumPositive and negative results2 papers: 1 positive, 1 negative or no effect
- fertilizationResults agree7 papers: 7 positive, 0 negative or no effect
- applicationResults agree5 papers: 5 positive, 0 negative or no effect
- nitrogenResults agree5 papers: 5 positive, 0 negative or no effect
- nanoparticleResults agree4 papers: 4 positive, 0 negative or no effect
- botanicalResults agree2 papers: 2 positive, 0 negative or no effect
- in vitroResults agree2 papers: 2 positive, 0 negative or no effect
- lightResults agree2 papers: 2 positive, 0 negative or no effect
- phosphorusResults 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.