- ethylenediaminetetraacetic acidPositive and negative results3 papers: 2 positive, 1 negative or no effect
- calcium(2+)Positive and negative results2 papers: 1 positive, 1 negative or no effect
- lead atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- iron atomResults agree4 papers: 4 positive, 0 negative or no effect
- chitosanResults agree3 papers: 3 positive, 0 negative or no effect
- nitrapyrinResults agree3 papers: 0 positive, 3 negative or no effect
- zinc atomResults agree3 papers: 3 positive, 0 negative or no effect
- IsodrinResults agree2 papers: 0 positive, 2 negative or no effect
- aldrinResults agree2 papers: 0 positive, 2 negative or no effect
- brassinolideResults agree2 papers: 2 positive, 0 negative or no effect
- cadmium atomResults agree2 papers: 0 positive, 2 negative or no effect
- calcium atomResults agree2 papers: 2 positive, 0 negative or no effect
- kinetinResults agree2 papers: 2 positive, 0 negative or no effect
- melatoninResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results25 papers: 22 positive, 3 negative or no effect
- nitrogenPositive and negative results10 papers: 6 positive, 4 negative or no effect
- nanoparticlePositive and negative results7 papers: 5 positive, 2 negative or no effect
- phosphorusPositive and negative results5 papers: 3 positive, 2 negative or no effect
- in vitroPositive and negative results4 papers: 3 positive, 1 negative or no effect
- lightPositive and negative results4 papers: 2 positive, 2 negative or no effect
- botanicalPositive and negative results2 papers: 1 positive, 1 negative or no effect
- irrigationPositive and negative results2 papers: 1 positive, 1 negative or no effect
- mycorrhizaPositive and negative results2 papers: 1 positive, 1 negative or no effect
- organicPositive and negative results2 papers: 1 positive, 1 negative or no effect
- otherResults agree6 papers: 6 positive, 0 negative or no effect
- applicationResults agree4 papers: 4 positive, 0 negative or no effect
- potassiumResults agree4 papers: 4 positive, 0 negative or no effect
- biocharResults agree3 papers: 3 positive, 0 negative or no effect
- inoculationResults agree3 papers: 3 positive, 0 negative or no effect
- intercroppingResults agree3 papers: 3 positive, 0 negative or no effect
- rainfallResults agree3 papers: 0 positive, 3 negative or no effect
- salinityResults agree3 papers: 0 positive, 3 negative or no effect
- heavy metalResults agree2 papers: 0 positive, 2 negative or no effect
- limeResults 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.