What causes yellowing on plant leaves?

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Tags

1. #roots
2. #deficiencies
3. #chlorophyll
4. #leaves
5. #possible
6. #green
7. #chlorosis
8. #pigment
9. #according
10. #called
11. #illinois
12. #tissue
13. #james
14. #compacted
15. #essential
16. #schuster
17. #horticulture
18. #university
19. #include
20. #causes
21. #yellowing
22. #plant
23. #nutrient
24. #drainage
25. #extension
26. #abnormal
27. #damaged
28. #educator