Blogs and book

| Tons K_{2}O | Per cent.
| | of total | | of total
| | production | | production
____________________|_____________|____________|_____________|____________
| | | |
Mineral sources: | | | |
Natural brines | 3,994 | 41.1 | 20,652 | 63.4
Altmite | 1,850 | 19.0 | 2,402 | 7.3
Dust from cement | | | |
mills | | | 1,621 | 5.0
Dust from blast | | | |
furnaces | | | 185 | 0.6
Organic Sources: | | | |
Kelp | 1,556 | 16.0 | 3,752 | 10.9
Molasses residue | | | |
from distillers | 1,845 | 19.


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