Quality: grain · Hordeum vulgare (barley)

1. electronPositive and negative results2 papers: 1 positive, 1 negative or no effect
2. zinc atomResults agree4 papers: 4 positive, 0 negative or no effect
3. Oryza sativaResults agree3 papers: 3 positive, 0 negative or no effect
4. fertilizationPositive and negative results26 papers: 19 positive, 7 negative or no effect
5. nitrogenPositive and negative results20 papers: 14 positive, 6 negative or no effect
6. inoculationPositive and negative results7 papers: 5 positive, 2 negative or no effect
7. irrigationPositive and negative results7 papers: 6 positive, 1 negative or no effect
8. sowing timePositive and negative results6 papers: 1 positive, 5 negative or no effect
9. droughtPositive and negative results4 papers: 1 positive, 3 negative or no effect
10. radiationPositive and negative results4 papers: 1 positive, 3 negative or no effect
11. seed treatmentPositive and negative results4 papers: 1 positive, 3 negative or no effect
12. stagePositive and negative results4 papers: 3 positive, 1 negative or no effect
13. co2Positive and negative results3 papers: 2 positive, 1 negative or no effect
14. processingPositive and negative results3 papers: 1 positive, 2 negative or no effect
15. botanicalPositive and negative results2 papers: 1 positive, 1 negative or no effect
16. applicationResults agree5 papers: 5 positive, 0 negative or no effect
17. densityResults agree5 papers: 5 positive, 0 negative or no effect
18. tillageResults agree5 papers: 5 positive, 0 negative or no effect
19. fungicideResults agree4 papers: 4 positive, 0 negative or no effect
20. phosphorusResults agree4 papers: 4 positive, 0 negative or no effect
21. pruningResults agree4 papers: 4 positive, 0 negative or no effect
22. micronutrientResults agree3 papers: 3 positive, 0 negative or no effect
23. soil waterResults agree3 papers: 3 positive, 0 negative or no effect
24. transplantingResults agree3 papers: 3 positive, 0 negative or no effect
25. classResults agree2 papers: 2 positive, 0 negative or no effect
26. intercroppingResults agree2 papers: 2 positive, 0 negative or no effect
27. nanoparticleResults agree2 papers: 2 positive, 0 negative or no effect
28. otherResults 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.