AgCenter soil scientist Brenda Tubaña

AgCenter soil scientist Brenda Tubaña adds an acetic acid solution to soil samples to extract silicon. Tubaña and her research team are measuring concentrations of plant-available silicon in soil that has had differing applications of silicate slag – a byproduct of iron and steel production. Although not an essential plant nutrient, higher concentrations of silicon in plant tissues contribute to yield increases and enhance plant tolerance to many stresses. (Photo by Rick Bogren)

This image was published in the 2014 Louisiana Soybean & Grain Research & Promotion Board Report.

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