Considerable progress had also been made in reducing the illicit cultivation of coca bush, although the gains in reduced opium poppy cultivation in South-East Asia had been offset by increased cultivation in Afghanistan.
4. 在减少古柯树非法种植方面也取得巨大进展，不过，东南亚减少罂粟种植的成绩因阿富汗种植增加而被抵销。