The agricultural operations for which modern machines are used are diverse. At the crop production level, they include:

• Transportation;
• Storage;
• Premarketing processing;
• Handling of residues from previous crops;
• Seeding, planting, and transplanting;
• Cultivation;
• Primary and secondary tillage of the soil;
• Fertilizer distribution and application;
• Pest control;
• Harvesting;
• Drainage;
• Irrigation; and