By: ALENA MASCHKE Louisiana Farm and Ranch As Scotty Fontenot of Ville Platte drives his boat across one of his family’s crawfish fields, the water in front of him is clear to the ground, a sign that the crawfish aren’t quite moving yet. “We see crawfish, but it’s slow,” he says. The day before he caught two sacks, today, it’s down to a sack and a half. “The wind,” quips his brother, co-owner of t…