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“The most significant and important attribute of Persist is persistence.  
After four years of the grazing experiment, in which there was
additional grazing and drought stress during  the last 2 years,
 there was a 70 to 80%  stand of Persist compared to a
0 to 10% stand of (another well-known orchardgrass)” 
                                                                               - Dr. Bob Conger & Dr. John Waller, Univ. of TN