Due to a recent drought, a farmer has lost quite a bit of soil on his fields because:

The soil dried out so that means that the soil will most likely turn to clumps of dirt or dust and won't be there anymore:)

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !

one would be wind another would be water density