Kohler attributes the immediate cause of the abandonment to problems with corn production at a high altitude during short growingseasons.
科勒认为,(居住地)废弃的直接原因是高海拔地区的玉米生长季节较短,因此生产出现了问题。
2
Other archaeologists have identified the immediate cause of this abandonment to be a series of short growingseasons that would have put pressure on corn production at that high an altitude.
Intensively farmed areas like northeast Brazil and Mexico are likely to see their prime growingseasons fall below 120 days, which is critical for crops such as corn to mature.