- triasulfuronResults agree2 papers: 2 positive, 0 negative or no effect
- botanicalResults differ208 papers: 193 positive, 15 negative or no effect · 5 pairs of papers confirmed to differ
- limeResults differ136 papers: 123 positive, 13 negative or no effect · 27 pairs of papers confirmed to differ
- mulchingResults differ126 papers: 106 positive, 20 negative or no effect · 17 pairs of papers confirmed to differ
- intercroppingResults differ95 papers: 77 positive, 18 negative or no effect · 4 pairs of papers confirmed to differ
- lightResults differ68 papers: 36 positive, 32 negative or no effect · 4 pairs of papers confirmed to differ
- coldResults differ63 papers: 20 positive, 43 negative or no effect · 15 pairs of papers confirmed to differ
- mycorrhizaResults differ61 papers: 57 positive, 4 negative or no effect · 18 pairs of papers confirmed to differ
- pruningResults differ61 papers: 29 positive, 32 negative or no effect · 9 pairs of papers confirmed to differ
- insecticideResults differ60 papers: 50 positive, 10 negative or no effect · 19 pairs of papers confirmed to differ
- competitionResults differ47 papers: 4 positive, 43 negative or no effect · 15 pairs of papers confirmed to differ
- radiationResults differ43 papers: 27 positive, 16 negative or no effect · 4 pairs of papers confirmed to differ
- ozoneResults differ39 papers: 7 positive, 32 negative or no effect · 8 pairs of papers confirmed to differ
- micronutrientResults differ37 papers: 34 positive, 3 negative or no effect · 2 pairs of papers confirmed to differ
- fungicideResults differ35 papers: 28 positive, 7 negative or no effect · 7 pairs of papers confirmed to differ
- cover cropResults differ25 papers: 17 positive, 8 negative or no effect · 2 pairs of papers confirmed to differ
- uvResults differ15 papers: 2 positive, 13 negative or no effect · 4 pairs of papers confirmed to differ
- fertilizationPositive and negative results3,455 papers: 3,183 positive, 272 negative or no effect
- nitrogenPositive and negative results2,045 papers: 1,803 positive, 242 negative or no effect
- irrigationPositive and negative results1,171 papers: 906 positive, 265 negative or no effect
- transplantingPositive and negative results1,078 papers: 922 positive, 156 negative or no effect
- herbicidePositive and negative results802 papers: 725 positive, 77 negative or no effect
- tillagePositive and negative results729 papers: 587 positive, 142 negative or no effect
- applicationPositive and negative results691 papers: 645 positive, 46 negative or no effect
- phosphorusPositive and negative results475 papers: 419 positive, 56 negative or no effect
- inoculationPositive and negative results418 papers: 382 positive, 36 negative or no effect
- densityPositive and negative results395 papers: 330 positive, 65 negative or no effect
- potassiumPositive and negative results383 papers: 344 positive, 39 negative or no effect
- organicPositive and negative results327 papers: 279 positive, 48 negative or no effect
- droughtPositive and negative results325 papers: 76 positive, 249 negative or no effect
- floodingPositive and negative results286 papers: 193 positive, 93 negative or no effect
- nanoparticlePositive and negative results202 papers: 189 positive, 13 negative or no effect
- heatPositive and negative results195 papers: 36 positive, 159 negative or no effect
- sowing timePositive and negative results193 papers: 123 positive, 70 negative or no effect
- climate sitePositive and negative results172 papers: 110 positive, 62 negative or no effect
- salinityPositive and negative results167 papers: 29 positive, 138 negative or no effect
- otherPositive and negative results166 papers: 161 positive, 5 negative or no effect
- seed treatmentPositive and negative results166 papers: 159 positive, 7 negative or no effect
- co2Positive and negative results159 papers: 131 positive, 28 negative or no effect
- cultivation systemPositive and negative results154 papers: 125 positive, 29 negative or no effect
- biocharPositive and negative results147 papers: 135 positive, 12 negative or no effect
- loss of functionPositive and negative results134 papers: 62 positive, 72 negative or no effect
- stagePositive and negative results124 papers: 88 positive, 36 negative or no effect
- processingPositive and negative results114 papers: 88 positive, 26 negative or no effect
- transgenicPositive and negative results102 papers: 81 positive, 21 negative or no effect
- rotationPositive and negative results86 papers: 72 positive, 14 negative or no effect
- shadePositive and negative results71 papers: 15 positive, 56 negative or no effect
- in vitroPositive and negative results60 papers: 51 positive, 9 negative or no effect
- rainfallPositive and negative results51 papers: 29 positive, 22 negative or no effect
- classPositive and negative results47 papers: 39 positive, 8 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.