- iron atomResults differ7 papers: 6 positive, 1 negative or no effect · 1 pair of papers confirmed to differ
- boron atomPositive and negative results14 papers: 12 positive, 2 negative or no effect
- sulfur atomPositive and negative results12 papers: 10 positive, 2 negative or no effect
- cadmium atomPositive and negative results4 papers: 2 positive, 2 negative or no effect
- magnesium atomPositive and negative results4 papers: 3 positive, 1 negative or no effect
- hydrogen sulfidePositive and negative results3 papers: 1 positive, 2 negative or no effect
- amino acidPositive and negative results2 papers: 1 positive, 1 negative or no effect
- chromium atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
- nitrapyrinPositive and negative results2 papers: 1 positive, 1 negative or no effect
- zinc atomResults agree13 papers: 13 positive, 0 negative or no effect
- selenium atomResults agree9 papers: 9 positive, 0 negative or no effect
- calcium atomResults agree8 papers: 8 positive, 0 negative or no effect
- AzotobacterResults agree5 papers: 5 positive, 0 negative or no effect
- silicon atomResults agree5 papers: 5 positive, 0 negative or no effect
- zinc sulfateResults agree5 papers: 5 positive, 0 negative or no effect
- molybdenum atomResults agree4 papers: 4 positive, 0 negative or no effect
- AzospirillumResults agree3 papers: 3 positive, 0 negative or no effect
- Brassica oleracea var. italicaResults agree3 papers: 3 positive, 0 negative or no effect
- calcium oxideResults agree3 papers: 3 positive, 0 negative or no effect
- potassium sulfateResults agree3 papers: 3 positive, 0 negative or no effect
- ammonium molybdateResults agree2 papers: 2 positive, 0 negative or no effect
- boraxResults agree2 papers: 2 positive, 0 negative or no effect
- calcium chloride dihydrateResults agree2 papers: 2 positive, 0 negative or no effect
- cellulose acetateResults agree2 papers: 0 positive, 2 negative or no effect
- jasmonic acidResults agree2 papers: 2 positive, 0 negative or no effect
- poly(ethylene)Results agree2 papers: 2 positive, 0 negative or no effect
- sodium chlorideResults agree2 papers: 0 positive, 2 negative or no effect
- sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- surfactantResults agree2 papers: 2 positive, 0 negative or no effect
- fertilizationPositive and negative results146 papers: 127 positive, 19 negative or no effect
- nitrogenPositive and negative results46 papers: 35 positive, 11 negative or no effect
- applicationPositive and negative results38 papers: 36 positive, 2 negative or no effect
- inoculationPositive and negative results22 papers: 21 positive, 1 negative or no effect
- phosphorusPositive and negative results20 papers: 17 positive, 3 negative or no effect
- potassiumPositive and negative results15 papers: 11 positive, 4 negative or no effect
- irrigationPositive and negative results12 papers: 6 positive, 6 negative or no effect
- botanicalPositive and negative results10 papers: 9 positive, 1 negative or no effect
- mulchingPositive and negative results10 papers: 9 positive, 1 negative or no effect
- lightPositive and negative results8 papers: 6 positive, 2 negative or no effect
- salinityPositive and negative results8 papers: 3 positive, 5 negative or no effect
- intercroppingPositive and negative results6 papers: 5 positive, 1 negative or no effect
- biocharPositive and negative results5 papers: 4 positive, 1 negative or no effect
- cultivation systemPositive and negative results5 papers: 2 positive, 3 negative or no effect
- organicPositive and negative results5 papers: 4 positive, 1 negative or no effect
- processingPositive and negative results5 papers: 3 positive, 2 negative or no effect
- sowing timePositive and negative results5 papers: 3 positive, 2 negative or no effect
- tillagePositive and negative results5 papers: 4 positive, 1 negative or no effect
- cover cropPositive and negative results4 papers: 3 positive, 1 negative or no effect
- in vitroPositive and negative results3 papers: 2 positive, 1 negative or no effect
- transplantingPositive 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.