Back in the 1950s, when veterans were urged to open up farmland in the mountains, the Forestry Bureau opened up state-owned forest land to development, including land that lay on ever steeper gradients. The bureau also stipulated rules under which fruit trees were considered a kind of "forestation," so that-given the high profitability of temperate zone fruits-the transformation of forest land into farmland became increasingly intensive over time.
在退除役官兵開墾山區農場的民國四十年代，為了「地盡其利」，林務局以「租地造林辦法」，進一步開放坡度較陡的國有林地讓民眾開墾，並且權宜規定果樹為造林樹種之一，隨著溫帶水果的高獲利誘惑，擴墾的情況日益嚴重。