<prompt> Translate the following text to EnglishKwa ajili ya utafiti wetu, sisi kuchambua mabadiliko kwa ajili ya mazao sita muhimu zaidi kiuchumi ambayo kazi C-R ni mahindi, pamba, karanga, sorghum, soya, na ngano majira ya baridi.  <response>: For the purpose of our analysis, we analyze changes for the six most economically significant crops for which C-R functions are corn, cotton, peanuts, sorghum, soybean, and winter wheat. 