Based on the idea of "teaching to fish, rather than giving a fish," missions turn land brought under cultivation over in stages to local agricultural organizations or governmental agricultural agencies for management.
在「給漁具、教他們釣魚，而不是給他們魚吃」的概念下，協助開墾後，就把墾區逐漸交給當地農民機構和農政單位管理。