1. Principles of Agricultural Engineering – T. P. Ojha (Vols. I & II)

Overview: A comprehensive two-volume classic covering soil & water conservation, farm machinery, irrigation, drainage, post-harvest tech, and renewable energy.

2.Elements of Agricultural Engineering – Jagdishwar Sahay

Overview: A fully revised book that thoroughly covers areas like soil mechanics, irrigation engineering, farm power, machinery, and agricultural structures.

3.Fundamentals of Agricultural Engineering – Suresh K. Goyal, Amarjeet Singh & Jyoti Prakash

Overview: Focuses on soil–water systems, FP&M (farm power and machinery), and food processing—with solved problems and objective questions ideal for exam prep.

4.Farm Machinery and Equipment – Harris Pearson Smith (or Muzamil & Jillani)

Overview: Covers engineering principles of tractors, tillage tools, harvesters, power units, and maintenance.

5.Hydrology & Soil Conservation Engineering – Ghanshyam Das, Reddy or Chow–Maidment–Mays

Overview: Covers hydrological cycle, watershed planning, irrigation design, conservation structures, and basic drainage.
Why read: Critical for water management and environmental sustainability—a core subject in Agricultural Engineering