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There exist a large variation in the yield of maize in Bulgaria regardless of the high productive potential of maize, and the favorable marketing conditions in the world. Climate change during the last 3 decades, the limited possibilities for irrigation are a limiting factor in determining suitable areas for maize growing. The period with sufficient moisture is decisive in choosing a suitable hybrid. The analysis of the agro-climatic potential of the region and the adaptation of the cultivation technology to the p...

In temperate climates, fruit crop yields are primarily determined by environmental conditions, especially during dormancy and in the early stages of their phenological development. Climate anomalies, with both warmer spring temperatures and greater temperature fluctuation, have altered phenology, leading to a greater risk of spring frost damage to orchards. The sweet cherry (Prunus avium), like other fruit species in the temperate climate, needs to accumulate a cultivar-specific quantity of chilly units during the...