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Archive | Tech with Dr. Steve

Tech with Dr. Steve – A blog from our Technical Services Manager, Steve Millett

Grodan AX 25/40 cube with lettuce roots and stem post-harvest.

Starting Seeds in Grodan

The most important thing when using Grodan stone wool is that you need to saturate the product fully before using it. When you don’t fully saturate it, some of the stone wool can stay dry and will be hard to get wet at a later stage (hydrophobic). A way to check if the product is […]

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Figure 1. Production Draglines w bucket

Where does phosphorus fertilizer come from?

If your phosphorus fertilizer is sourced from the U.S. it is probably derived from Hillsborough, Polk, Manatee, and Hardee counties in Florida. Recently, I had the opportunity to tour Mosaic’s South Fort Meade Mine facility. The Mosaic Company’s South Fort Meade Mine has an annual production of 6.5 million tons per year running 24/7/365. It’s size is […]

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