Quality: grain · Solanum tuberosum (potato)

1. paclobutrazolResults agree2 papers: 2 positive, 0 negative or no effect
2. zinc atomResults agree2 papers: 2 positive, 0 negative or no effect
3. zinc sulfateResults agree2 papers: 2 positive, 0 negative or no effect
4. fertilizationPositive and negative results12 papers: 9 positive, 3 negative or no effect
5. nitrogenPositive and negative results4 papers: 2 positive, 2 negative or no effect
6. irrigationPositive and negative results3 papers: 2 positive, 1 negative or no effect
7. inoculationResults agree2 papers: 2 positive, 0 negative or no effect
8. lightResults agree2 papers: 2 positive, 0 negative or no effect
9. 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.