Natural fluctuations of climate above or below a daily average value is termed as weather variability. Weather plays a major role to determine the agricultural improvement. Almost all the field crops are solely dependent upon weather parameters to deliver life sustaining water and energy. This weather change is one of the most important global environmental challenges that have significantly higher implications on agricultural sectors. This changes include increase in air, water, extreme temperature, elevated greenhouse gases concentration, enhanced the incidence of droughts and floods, changes in pests and diseases, regional monsoon variation, changes in atmospheric CO2 and ground-level O3concentrations, changes in the nutritional quality of some foods, recurrent rains pattern along with other factors such as chilling, water logging, dust-storms, thunderstorms and hailstorms, high winds, heat and cold waves, rise in extreme weather incidences in coastal regions and recession of Himalayan glacier etc. Globally, these parameters drastically reduce the agricultural production and productivity at the regional and local levels due to global warming. Changing of all the weather parameters under a prolonged situation are responsible for global warming that have negative impacts on agricultural crops. This leads to cause an array of morpho-anatomical, physiological, biochemical and molecular changes in plants that affects plant growth, development and may lead to severe diminishing in economic yield. To cope up with this weather-related hazard or adapt against this alarming situation, forecasting of weather is one of the important toolsfor agricultural production under climate change scenario.
Sanjoy Shil
Bidhan Chandra Krishi Viswavidyalaya (Bankura Campus), Bankura, West Bengal 722 132, INDIA
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