I. Introduction
During the period from 1971 to 1975, the rice price was increasing globally, which caused food shortages in Bangladesh. In addition, Bangladesh was already lagging behind in food production due to the Liberation War along with natural disasters and population growth. It was then decided rice alone could not fulfill the nation’s food demand, and wheat was chosen as an alternative winter crop. Since then wheat has been growing in popularity in Bangladesh, but climate change has a significant impact on Bangladesh and so the likelihood of growing wheat and potatoes would be substantially hampered by a shift in the average temperature of 2-4 °C, and output loss may surpass 60% of the possible yields [1]. Wheat consumption in 2021 has seen twice as much demand as in 2015 according to [2]. The reasons behind this are the good quality flour being cheaper than medium quality rice, the increase of the obese and diabetic patients, and the rise in the popularity of bakery products such as biscuits and cakes. However, the production of wheat hasn’t been able to keep up with the demand of the ever-growing population [3]. On the other hand, global food demand has been increasing from COVID-19 and the Russia-Ukraine war has further increased that [4]. Almost 90% of wheat and other grains are shipped from Ukraine, the "breadbasket of the world" but due to the war, the crops could not leave Ukraine. Thus, the global wheat demand is increasing. In addition, the crop fields that were destroyed during the war will not get the people food in the next harvesting season, which will increase the global food shortage even more.