YOU WANT TO KEEP GROWING WHEAT??????<BR>NEVER TREAT THE SAME GROUND WITH OSPREY OR POWERFLEX 2 YEARS IN A ROW <BR> <BR>NEVER TREAT THE SAME GROUND WITH HOELON OR AXIAL XL 2 YEARS IN A ROW <BR> <BR>Ryegrass resistance will likely occur within 2 to 3 years if you do not follow these guidelines!!!!!!!!!!!!!!!!!!!<BR>