Physiology: enzyme activity · Arachis hypogaea (peanut)

1. nitrogenPositive and negative results7 papers: 4 positive, 3 negative or no effect
2. fertilizationPositive and negative results6 papers: 4 positive, 2 negative or no effect
3. applicationPositive and negative results4 papers: 3 positive, 1 negative or no effect
4. seed treatmentPositive and negative results4 papers: 3 positive, 1 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.