A professional who drives and operates machinery, such as crane loader, dump truck, and manure-turning machine, to move and treat straw and manure and dirt for use in mushroom beds. Respnsibilities include:

• Operates crane loader to scoop wet manure from wet pit and dry manure from dry stack and dumps dry and wet manure into dump truck bed.
• Drives dump truck to haul manure to shed-covered area and dumps manure into rows.
• Drives dump truck loaded with dirt to rows of manure and moves levers to dump dirt over manure.
• Operates manure-turning machine to turn and mix manure with dirt and specified additives.
• Drives scoop loader to push manure from place to place on mushroom farm and to load manure onto trucks.