Soil: biology · Medicago sativa (alfalfa)

1. melatoninResults agree5 papers: 5 positive, 0 negative or no effect
2. cadmium atomResults agree2 papers: 0 positive, 2 negative or no effect
3. inoculationPositive and negative results15 papers: 13 positive, 2 negative or no effect
4. fertilizationPositive and negative results8 papers: 5 positive, 3 negative or no effect
5. salinityPositive and negative results4 papers: 2 positive, 2 negative or no effect
6. droughtPositive and negative results3 papers: 2 positive, 1 negative or no effect
7. nanoparticlePositive and negative results3 papers: 2 positive, 1 negative or no effect
8. otherPositive and negative results3 papers: 2 positive, 1 negative or no effect
9. floodingPositive and negative results2 papers: 1 positive, 1 negative or no effect
10. phosphorusPositive and negative results2 papers: 1 positive, 1 negative or no effect
11. biocharResults agree4 papers: 4 positive, 0 negative or no effect
12. applicationResults agree3 papers: 3 positive, 0 negative or no effect
13. heavy metalResults agree3 papers: 0 positive, 3 negative or no effect
14. irrigationResults agree3 papers: 3 positive, 0 negative or no effect
15. mycorrhizaResults agree3 papers: 3 positive, 0 negative or no effect
16. botanicalResults agree2 papers: 2 positive, 0 negative or no effect
17. intercroppingResults agree2 papers: 2 positive, 0 negative or no effect
18. storageResults 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.