论文部分内容阅读
热带 包括广东省的雷州半岛和海南省的全部、台湾的南部和云南南部的西双版纳、河口等地方。日平均气温≥1O℃的持续期为350～365天。积温>8000℃。无霜期全年。 该地区植被主要是热带季雨林。植物基本上都是热带性科属,对积温要求较高的橡胶、椰子、油棕、腰果、咖啡、可可、剑麻等热带经济作物都能种植,水稻一年四季都可生长。耕作制度为一年三熟。 暖温带 大致包括长城以南、
The tropics include Xishuangbanna, Hekou and other places in Leizhou Peninsula in Guangdong Province and Hainan Province in the whole, southern Taiwan, and southern Yunnan. Daily average temperature ≥ 1O °C duration is 350 to 365 days. Accumulated temperature >8000°C. Frost-free period throughout the year. The vegetation in the area is mainly tropical monsoon forest. Plants are basically tropical genera. They can grow tropical economic crops such as rubber, coconut, oil palm, cashew, coffee, cocoa, and sisal, which require higher temperature. Rice can grow all year round. The farming system is three years old. The warm temperate zone generally includes the south of the Great Wall,