In the period since the end of world War II numerous develop ing countries have employed colonization, or planned pioneer settlement, as one method of building a more reliable and bal anced economy. It is felt that the traditional, single-sided sys tems of farm ownership and production with their latifundium and minifundium holdings will gradually and peacefully become less prominent as better settlement systems are introduced and extended. Marked increases in population pressure, large tracts of unused or underused land, and modern improvements in set tlement planning are among other...