A professional who drives and operates farm machines to grow and harvest combination of kinds of crops, such as grain, fruit, and vegetable. Respnsibilities include:

• Attaches farm implements, such as plow, seed drill, and manure spreader to tractor, and drives tractor and operates implements in fields to till soil and plant, cultivate, and fertilize crops, such as sugar beets, asparagus, wheat, onions, and mint.
• Thins and weeds plants, such as field corn, lima beans, fresh peas, and dry beans, using handtools, such as hoes and shovels or power-drawn implement.
• Irrigates fields to provide moisture for crop growth, according to irrigation method appropriate for crops or locality.
• May mix chemical solutions, such as pesticides, herbicides, and fertilizers, and spray crops.
• May oversee activities of seasonal workers, and keep workers' time records.
• May adjust and maintain farm machines.