The word: agricultural engineering can be found in:

Control Applications in Post-Harvest and Processing Technology

Elsevier's Dictionary of Agriculture and Food Production - Russian-English

Heat Treatments for Postharvest Pest Control Theory and Practice

No Tillage Seeding in Conservation Agriculture (2nd Edition)

Physical Properties of Foods

Potatoes Postharvest

Wastewater Use in Irrigated Agriculture: Confronting the Livelihood and Environmental Realities

Keyword: agricultural engineering