Fertilizers We Do Not Broker
There are some fertilizers that we just don't broker through Fertilizer Brokerage. The reason why we don't broker them is because they are a negative and bad for soil biology. We want to broker things that are clean and things that are very helpful for the soil and can build the soil up.
Products that we suggest not using include:
- Dolomitic Limestone
- Potassium Chloride
- Anhydrous Ammonia
Dolomitic limestone is not suggested because it supplies just too much magnesium and the magnesium becomes available very quickly and it can drop the calcium-magnesium ratio very low very quickly. If we need a little magnesium, we prefer to get a small quantity from either epsom salts or using molasses or broadcasting K-Mag, a specialty fertilizer that is actually a natural thing mined from the ground.
Another fertilizer we don't broker is potassium chloride. This would be the most common fertilizer, but we refuse to handle this and sell it and recommend it because it is very hard on soil biology. There's a very small requirement for chlorides, but after that, any amount over is actually detrimental to the soil. This is why we do not recommend any form of potassium chloride, even the ones that are certified organic, we would not suggest you using them. Some of the natural mined products are still very detrimental to soil biology, and this is one of those.
We won't broker diammonium phosphate because because it ties up quicker with calcium in the soil and then the phosporus and the calcium is tied up. We prefer to use monoammonium phosphate and the tie up is significantly less time.
We don't broker anydrous ammonia because it's very hard on soil biology. In some situations it can be used to good effect if the anhydrous ammonia is run through a sugar water and then it goes into a liquid ammonia, that could be useful. But for the most part, applying it as anhydrous ammonia is extremely hard on soil biology and it really damages the soil structure, it degrades the clay structure and we just can't in good conscience recommend that.
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International Ag Labs
800 W. Lake Ave.
PO Box 788
Fairmont, Minnesota 56031