Quality: grain · Helianthus annuus (common sunflower)

1. sulfur atomResults agree10 papers: 10 positive, 0 negative or no effect
2. AzotobacterResults agree3 papers: 3 positive, 0 negative or no effect
3. boron atomResults agree3 papers: 3 positive, 0 negative or no effect
4. zinc atomResults agree3 papers: 3 positive, 0 negative or no effect
5. iron(2+) sulfate (anhydrous)Results agree2 papers: 2 positive, 0 negative or no effect
6. paclobutrazolResults agree2 papers: 2 positive, 0 negative or no effect
7. fertilizationPositive and negative results10 papers: 9 positive, 1 negative or no effect
8. nitrogenPositive and negative results7 papers: 6 positive, 1 negative or no effect
9. irrigationPositive and negative results4 papers: 2 positive, 2 negative or no effect
10. herbicidePositive and negative results3 papers: 2 positive, 1 negative or no effect
11. biocharPositive and negative results2 papers: 1 positive, 1 negative or no effect
12. applicationResults agree9 papers: 9 positive, 0 negative or no effect
13. phosphorusResults agree3 papers: 3 positive, 0 negative or no effect
14. tillageResults agree3 papers: 3 positive, 0 negative or no effect
15. densityResults agree2 papers: 2 positive, 0 negative or no effect
16. inoculationResults agree2 papers: 2 positive, 0 negative or no effect
17. potassiumResults agree2 papers: 2 positive, 0 negative or no effect
18. stageResults 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.