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| I have seen the weights off enough to notice in the semi. It turned out there was a problem with their scale.
I have not done it the last few years but I used to pull samples of the dry. Not so much I was concerned about getting what I paid for, but some sources of fertilizer have some trace or micro nutrients in them.
There is no need to by something if it is already in the product. | |
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Fertilizer Analysis
