MECHANICAL ENGINEERING INPUT INTO AGRICULTURAL PRODUCTION: AN IMPETUS TO ACHIEVING SUSTAINABLE FOOD SECURITY IN NIGERIA

Agricultural mechanization is a critical driver of sustainable food production and economic development in Nigeria. This study evaluates the impact of Mechanical Engineering on agricultural productivity, post-harvest efficiency, labour optimization, and income generation, using comparative data between mechanized and non-mechanized farms, findings reveal that mechanized farms consistently produced 50–60% higher yields between 2018 and 2022, with average crop yield increasing from 2.1 tons per hectare on non-mechanized farms to 3.4 tons per hectare on mechanized farms. Post-harvest losses declined from 30% in 2018 to 18% in 2022 following the adoption of mechanical threshers, dryers, and milling equipment. Mechanized farms also demonstrated superior labor efficiency, requiring about one-third of the labor hours per hectare compared to non-mechanized farms, while average income per hectare nearly doubled due to improved productivity and reduced waste. Despite these gains, Nigeria’s mechanization rate remains at 0.27 horsepower per hectare, far below the FAO-recommended benchmark of 1.5 hp/ha, highlighting the limited reach of mechanical innovations. Major challenges include inadequate access to locally adapted machinery, poor infrastructure, insufficient research funding, and policy inconsistencies. The study recommends strengthening local manufacturing capacity, promoting research–industry collaboration, expanding technical training for operators, and developing gender-sensitive technologies for inclusive mechanization. Overall, the findings reaffirm that Mechanical Engineering is indispensable to Nigeria’s agricultural transformation, capable of increasing productivity, minimizing losses, and ensuring food security for the nation’s growing population.