Haruna, S., and Ibrahim, M. “Trend of Onset Dates, Cessation Dates and Length of Growing Season Analysis in the Sudan Savanna Ecological Zone of Nigeria As a Way Forward to Agriculture and Food Security in Nigeria”. International Journal of Science for Global Sustainability 2, no. 2 (June 25, 2016): 15. Accessed April 18, 2026. https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/256.