Imports In 2018, Botswana imported $1.15k in Palm nut or kernel oil cake and other solid residues, becoming the 0th largest importer of Palm nut or kernel oil cake and other solid residues in the world. At the same year, Palm nut or kernel oil cake and other solid residues was the 0th most imported product in Botswana. Botswana imports Palm nut or kernel oil cake and other solid residues primarily from: N/A.