Abuja Journal of Agriculture and Environment (AJAE)

ECONOMIC ANALYSIS OF IRRIGATION METHODS AND SCHEDULING FOR MAIZE PRODUCTION IN MAIDUGURI, SEMI-ARID NIGERIA
Author(s): Ali Umar Bashir and Adam Lawan Ngala
Volume/Issue: Volume 2 , Issue 1 (2022)

ABSTRACT:

Maize production in the semi-arid region of Nigeria relies widely on irrigation. The common irrigation method and schedule used by the farmers in the region has become unsustainable due to low yield and hence low net farm income. Field experiments were conducted for two dry seasons to study the economic viability of maize production under different irrigation and scheduling methods. The experiments consisted of a factorial combination of irrigation methods (drip, sprinkler and furrow) and scheduling(fixed irrigation interval of 7 days, soil moisture-based and climate-based). Significant effects of irrigation methods and schedules on growth, yield and yield parameters were observed during the crop growth and development. Results obtained from drip irrigated plots scheduled with tensiometer performed better compared to other combinations. The economic analysis result showed drip with various combinations of schedules had the best net income. The combination of drip irrigation and tensiometer schedule had the highest net farm income and benefit cost ratio of $695.2 and 3.20,respectively compared to $460.8 and 1.99 for sprinkler and $545.8 and 2.84 for furrow irrigation methods. This study revealed that the combination of gravity drip irrigation method and soil moisture and climate-based schedules that resulted in 4 days irrigation interval is the most economically viable alternative in maize production for the semi-arid region environment of Nigeria because of improved yield, higher water savings and water use efficiency.

KEYWORDS:

Cost-benefit, Irrigation methods and schedule, maize, semi-arid.