Impact Of Temperature And Rainfall Variabilities on Maize Production in Katsina State, Nigeria
DOI:
https://doi.org/10.70861/ujed20250202015Keywords:
Trend, temperature, Rainfall, maize production, Katsina stateAbstract
The study assessed the impact of temperature and rainfall variabilities on maize production in Katsina State. Secondary data on maize yield, rainfall and temperature of 31 years (1990 - 2020) were used. Descriptive statistics and regression trend lines were used to analyse the data. All the variables showed increasing trend in their variabilities. The coefficient of the slope trend line of temperature, rainfall and yield were 0.0316, 6.1027 and 0.5086, respectively. The year 2001 has the lowest mean temperature (25.88 0C), while in 2019 the state experienced the highest mean temperature (27.75 0C). The mean temperature increased from 2001 to 2006 (25.880C - 27.350C). It decreased from 2006 to 2009 (27.530C - 26.010C). In 1994 and 1995 there was sharp decrease in rainfall (967.20 mm - 715.63 mm), which was followed by an increase up to 1998 (1143.88 mm). During the two periods there were declining (1.27 tons/ha - 1.18 tons/ha) and increasing (1.18 tons/ha-1.32 tons/ha) trend of maize yield. From 2006 to 2007 there was sharp decrease (1.59 tons/ha to 1.08 tons/ha) in maize yield. From 2016 to 2018 there was sharp increase (1.30 ton/ha - 2.17 ton/ha) in maize yield. It is concluded that variabilities of temperature and rainfall in Katsina State affected maize yield. Policy makers should help in providing appropriate coping strategies against variabilities of climate elements; the maize farmers should adopt appropriate coping strategies that could help in decreasing the adverse effects of variabilities of climate elements.
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