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Research Article Open Access
This study examines the effect of precipitation and temperature variation on the yield of major cereals (e.g., rice, wheat, maize, millet and barley) in Dadeldhura district of Nepal. I use the time series information of yield and seasonal meteorological data (e.g., precipitation and temperature) to assess the effect using the exponential growth regression methods. The findings of this study confirm that maximum temperature and minimum precipitation have had adverse effects on the yield of rice and maize. Temperature is statistically significant for the yield of all cereals whereas precipitation is statistically significant for the yield of maize and barley. Finally, precipitation and temperature have a statistically significant effect on rice and maize yield. Nonetheless, the influence of maximum temperature and minimum precipitation plays an important role in the growth of major cereals in Nepal. The low rainfall and high temperature during the crops growing seasons has severely affected the yield of major cereals in Dadeldhura district. 1979, 1980, 1982 and 1987 are the major agriculture drought years in Dadeldhura district of far western development region, Nepal.
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Author(s): Govinda Bhandari