Nutrient: content · Theobroma cacao (cocoa)

1. zinc atomPositive and negative results2 papers: 1 positive, 1 negative or no effect
2. fertilizationPositive and negative results22 papers: 16 positive, 6 negative or no effect
3. limePositive and negative results7 papers: 6 positive, 1 negative or no effect
4. inoculationPositive and negative results6 papers: 5 positive, 1 negative or no effect
5. mycorrhizaPositive and negative results6 papers: 5 positive, 1 negative or no effect
6. nitrogenPositive and negative results6 papers: 5 positive, 1 negative or no effect
7. biocharPositive and negative results5 papers: 4 positive, 1 negative or no effect
8. shadePositive and negative results5 papers: 2 positive, 3 negative or no effect
9. applicationPositive and negative results2 papers: 1 positive, 1 negative or no effect
10. cultivation systemPositive and negative results2 papers: 1 positive, 1 negative or no effect
11. irrigationPositive and negative results2 papers: 1 positive, 1 negative or no effect
12. phosphorusResults agree7 papers: 7 positive, 0 negative or no effect
13. otherResults agree3 papers: 3 positive, 0 negative or no effect
14. cover cropResults agree2 papers: 2 positive, 0 negative or no effect
15. droughtResults agree2 papers: 0 positive, 2 negative or no effect
16. potassiumResults 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.