If you’re not tissue sampling your crops now, you might as well make the jump straight to sap sampling. If you are tissue sampling, it’s time for your crop testing to evolve. That’s the general consensus from Mike Evans of Integrated Ag Solutions. Why sap rather than tissue? Because tissue sampling tells you what’s already happened in the the plant — too late for you to affect it. Sap sampling, on the other hand, informs the grower of what nutrients are, or are not, coursing through the crop’s veins currently. This allows a timeframe for treatment. Sap sampling post-treatment provides information on the effectiveness of the treatment. Illinois farmer and proprietor of Bio Ag Management, Clint Frese joins Mr. Evans on this very informative topic.

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