Streptomyces scabiei · Solanum tuberosum (potato)

1. 2,4-DPositive and negative results2 papers: 1 positive, 1 negative or no effect
2. boric acidResults agree4 papers: 4 positive, 0 negative or no effect
3. Bacillus subtilisResults agree3 papers: 3 positive, 0 negative or no effect
4. ammonium sulfateResults agree2 papers: 2 positive, 0 negative or no effect
5. mercury atomResults agree2 papers: 2 positive, 0 negative or no effect
6. streptomycinResults agree2 papers: 2 positive, 0 negative or no effect
7. inoculationPositive and negative results9 papers: 8 positive, 1 negative or no effect
8. loss of functionPositive and negative results3 papers: 2 positive, 1 negative or no effect
9. irrigationResults agree7 papers: 7 positive, 0 negative or no effect
10. fertilizationResults agree4 papers: 4 positive, 0 negative or no effect
11. applicationResults agree3 papers: 3 positive, 0 negative or no effect
12. botanicalResults agree2 papers: 2 positive, 0 negative or no effect
13. nitrogenResults agree2 papers: 2 positive, 0 negative or no effect
14. rotationResults agree2 papers: 2 positive, 0 negative or no effect
15. seed treatmentResults 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.