why do farmers roll grass fields
they roll grass fields so that tillering can happen which is so that the grass spreads out and it encourages more to grow. farmer should only really roll a field no later than March as the ground gets too hard in april to flatten out, also you won't destroy any ground nesting birds nests in Marc â¦ h. Normally as a rule of thumb the second week in March is dry enough to roll.
Rolling can make grass tiller which in theory should produce more grass. However heavy rolling can knock grasses growth back for a week or so. Having said that some farmers roll regardless as it looks good and their farther used to do it.aking the world better, one answer at a time. A farmer should only really roll a field no later than March as the ground gets too hard in april to flatten out, also you won't destroy any ground nesting birds nests in March.