It has been revealed that not only the amount of precipitation matters in preventing drought, but also where the rain comes from. Most of us may think that all rain is the same, but researchers have pointed out that there can be huge differences in the origin and quality of precipitation. This discovery could have implications for the future of agriculture and food security. According to the results, crops become much more vulnerable if too much precipitation comes from the land and less from the ocean, as reported in a summary on the Science Daily website. Indeed, land moisture results in fewer rainstorms, which increases the risk of drought. In the American Midwest (the center of corn production) and in East Africa, stabilizing the annual rainfall and thus the crop yield could be achieved by avoiding deforestation and soil depletion. Now, researchers have tracked the path of atmospheric moisture and come to the above conclusions. Sunlight heats the oceans, land, soil, lakes, and ...
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