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Tissue Testing vs Soil Testing

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Tissue Testing vs Soil Testing

Tissue testing asks the crop ‘ What’s wrong’ and can be money well spent for growers to confirm a deficiency, or as a check if their crop needs more nutrients. In field crops, plant analysis providing a snapshot in time of nutrient uptake and most useful to indicate when nutrient levels are below critical levels.  It can also help with evaluating fertilizer management practices, including potential micronutrient issues. Soil testing complements this information and indicates what is available and should accompany a tissue test. ISU offers updated P & K tissue testing guide for corn & soybeans:

Remember to GPS sampling locations for post-harvest soil testing with your Wintex sampler

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