Marianna Soil Testing Lab Tour – U of A System Division of Agriculture

Hello! Thank you for coming on this virtual tour of the Marianna Soil Test Laboratory. My name is Nathan Slaton and I’m the Director of the Soil Test Program for the University of Arkansas System Division of Agriculture. Soil testing allows growers to evaluate soil fertility and determine how much lime and fertilizer are needed […]

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Mark Conyers: 5 improvements in standards for soil testing and fertiliser use

In hindsight there’s a lot of things that we probably should have done earlier in my research career and not just me, I don’t think I’m the only one at fault, but collectively there’s a lot of things we should have done earlier. Now in the sixties people took soil testing as gospel you know […]

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Make Potassium Rhodizonate (for lead testing)

Warning: This synthesis produces toxic nitrogen dioxide gases and handles corrosive acids. This should be performed in a fume hood with gloves. Greetings fellow nerds. In this video we’re going to make potassium rhodizonate, a chemical for testing the presence of lead. First get 10 grams of inositol. This stuff was out of reach for […]

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How to Grow Foods with the Highest Nutrient Density & Best Taste

Alright! This is John Kohler with growingyourgreens.com. Today I have another exciting episode for you, and what I’m going to talk about today is something near and dear to my hear. We’re going to talk about brix testing. So, in a recent episode, I don’t know, a dozen episodes back or so now, I did […]

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