| Abstract: | Abstract Twelve leafy vegetables were grown on field plots treated with 0, 10, 50, 100, 200, 400, and 800 pounds Zn per acre incorporated into the 0‐ to 10‐inch soil depth. At harvest maturity the edible parts of the plants were sampled and analyzed for Zn. Of the 12 crops grown, only Swiss chard and spinach showed any tendency to be Zn accumulators. Even these crops would tolerate extremely high levels of available soil Zn before accumulating what might be considered hazardous Zn concentrations. Swiss chard and spinach were the only crops which showed visible growth depression when grown on plots treated with 800 lbs. Zn per acre. |
