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In the field of agriculture, Trofim Lysenko, a Soviet biologist and agronomist, had a significant impact. Lysenko's theories and practices, known as Lysenkoism, dominated Soviet agricultural policies during the mid-20th century. He promoted ideas such as vernalization (a process of exposing seeds to low temperatures to accelerate growth) and rejected traditional genetics in favor of Lamarckian inheritance (the concept that acquired traits can be passed on to offspring).