cattle mineral for your soil?

So i was talking to the owner of my local garden store (seems very knowledgeable) he was telling me how he gets all the mineral in his garden, he buys cattle mineral its the same thing an you get way more for way less. like he said mineral is mineral it dont matter what form it comes in, he just spreads it over his garden and it breaks down and inters the soil. you can buy it with
Sulfur
Potassium
Magnesium
Calcium and Phosphorus in it anyone ever tried this?

rollangrow said:

So i was talking to the owner of my local garden store (seems very knowledgeable) he was telling me how he gets all the mineral in his garden, he buys cattle mineral its the same thing an you get way more for way less. like he said mineral is mineral it dont matter what form it comes in, he just spreads it over his garden and it breaks down and inters the soil. you can buy it with
Sulfur
Potassium
Magnesium
Calcium and Phosphorus in it anyone ever tried this?

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i wouldn't do this.

Buy fertilizers marketed towards plants that way you can get an idea on the foundation of your soil.