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RT @fielddirt: Concerned about Zn toxicity? Research suggests very high soil levels needed (>7 ppm DTPA Zn) before there is a problem in wh…
RT @fielddirt: Concerned about Zn toxicity? Research suggests very high soil levels needed (>7 ppm DTPA Zn) before there is a problem in wh…
RT @fielddirt: Concerned about Zn toxicity? Research suggests very high soil levels needed (>7 ppm DTPA Zn) before there is a problem in wh…
Concerned about Zn toxicity? Research suggests very high soil levels needed (>7 ppm DTPA Zn) before there is a problem in wheat, 11 ppm for corn, much higher in some other crops. https://t.co/IXOVJ84sau