Physiology: photosynthesis · Psidium guajava (guava)

1. ascorbic acidResults agree2 papers: 2 positive, 0 negative or no effect
2. magnesium atomResults agree2 papers: 2 positive, 0 negative or no effect
3. irrigationPositive and negative results7 papers: 2 positive, 5 negative or no effect
4. salinityResults agree8 papers: 0 positive, 8 negative or no effect
5. applicationResults agree3 papers: 3 positive, 0 negative or no effect
6. fertilizationResults agree2 papers: 2 positive, 0 negative or no effect
7. potassiumResults agree2 papers: 2 positive, 0 negative or no effect
8. pruningResults 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.