idk just putting it out there, how close is that fan, maybe wind burn, ive seen one plant that went like that from bein brunt from a fan, that fan was a top speed.
Good job done so far,, watch out for mold,, looks like it mite be wet up your way mid week. http://metvuw.com/forecast/forecast.php?type=rain®ion=nz&noofdays=all