date:Aug 16, 2012
rops typically absorb nitrate into only the lower 12-18 inches of the stalk, which does not have to be fed to animals, Evans said. But during severe drought conditions, high concentrations of nitrate can accumulate in the upper portions of the stalk that cattle and other livestock often consume.
Many naturally growing plants and weeds in grazing pastures can accumulate nitrate during drought conditions, as well, he added. These plants include many types of grasses and some weeds, which animals m