- ammonium dihydrogen phosphateResults agree2 papers: 2 positive, 0 negative or no effect
- ammonium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
- antioxidantResults agree2 papers: 2 positive, 0 negative or no effect
- atrazineResults agree2 papers: 0 positive, 2 negative or no effect
- calcium dihydroxideResults agree2 papers: 2 positive, 0 negative or no effect
- calcium nitrateResults agree2 papers: 2 positive, 0 negative or no effect
- calcium oxideResults agree2 papers: 2 positive, 0 negative or no effect
- cationResults agree2 papers: 0 positive, 2 negative or no effect
- chloramphenicolResults agree2 papers: 0 positive, 2 negative or no effect
- chloryl groupResults agree2 papers: 0 positive, 2 negative or no effect
- fensulfothionResults agree2 papers: 0 positive, 2 negative or no effect
- gelatinResults agree2 papers: 2 positive, 0 negative or no effect
- glycine betaineResults agree2 papers: 2 positive, 0 negative or no effect
- macronutrientResults agree2 papers: 0 positive, 2 negative or no effect
- mercury dichlorideResults agree2 papers: 0 positive, 2 negative or no effect
- methionineResults agree2 papers: 2 positive, 0 negative or no effect
- nitric oxideResults agree2 papers: 2 positive, 0 negative or no effect
- oligosaccharideResults agree2 papers: 2 positive, 0 negative or no effect
- oxideResults agree2 papers: 2 positive, 0 negative or no effect
- propanilResults agree2 papers: 0 positive, 2 negative or no effect
- silver(1+) nitrateResults agree2 papers: 2 positive, 0 negative or no effect
- zinc oxideResults agree2 papers: 2 positive, 0 negative or no effect
- salinityResults differ20 papers: 5 positive, 15 negative or no effect · 1 pair of papers confirmed to differ
- droughtResults differ17 papers: 3 positive, 14 negative or no effect · 1 pair of papers confirmed to differ
- uvResults differ17 papers: 10 positive, 7 negative or no effect · 3 pairs of papers confirmed to differ
- fertilizationPositive and negative results264 papers: 240 positive, 24 negative or no effect
- nitrogenPositive and negative results103 papers: 90 positive, 13 negative or no effect
- applicationPositive and negative results79 papers: 74 positive, 5 negative or no effect
- botanicalPositive and negative results75 papers: 42 positive, 33 negative or no effect
- inoculationPositive and negative results58 papers: 49 positive, 9 negative or no effect
- lightPositive and negative results54 papers: 40 positive, 14 negative or no effect
- in vitroPositive and negative results38 papers: 35 positive, 3 negative or no effect
- mulchingPositive and negative results33 papers: 31 positive, 2 negative or no effect
- phosphorusPositive and negative results30 papers: 26 positive, 4 negative or no effect
- seed treatmentPositive and negative results30 papers: 24 positive, 6 negative or no effect
- irrigationPositive and negative results26 papers: 18 positive, 8 negative or no effect
- densityPositive and negative results25 papers: 19 positive, 6 negative or no effect
- transplantingPositive and negative results23 papers: 19 positive, 4 negative or no effect
- sowing timePositive and negative results18 papers: 12 positive, 6 negative or no effect
- classPositive and negative results17 papers: 15 positive, 2 negative or no effect
- growing mediumPositive and negative results17 papers: 13 positive, 4 negative or no effect
- storagePositive and negative results17 papers: 13 positive, 4 negative or no effect
- intercroppingPositive and negative results14 papers: 12 positive, 2 negative or no effect
- radiationPositive and negative results14 papers: 7 positive, 7 negative or no effect
- coldPositive and negative results12 papers: 9 positive, 3 negative or no effect
- organicPositive and negative results11 papers: 9 positive, 2 negative or no effect
- herbicidePositive and negative results10 papers: 6 positive, 4 negative or no effect
- heatPositive and negative results9 papers: 3 positive, 6 negative or no effect
- tillagePositive and negative results9 papers: 5 positive, 4 negative or no effect
- processingPositive and negative results8 papers: 6 positive, 2 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.