'cotvar89.irr'
 'Landivar 1989 variety trials'
 '02/22/89'
   0.000   0.000       0       0   0.000       0
  56.000   0.000   0.000   0.000       1       4       4 

 'cotvar89.irr'
 'Landivar 1989 variety trials'
 '06/21/89'
   0.000   0.000       0       0   0.000       0
   0.000   0.000   5.000   0.000       2       0       0