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青海省属青藏高原东北部,深居内陆,地处高寒,雨量少,气候干燥,海拔高(海拔在1650～6860m之间),冬季寒冷、夏季凉爽,日照时间长,昼夜温差大,辐射量大,光资源丰富。青海省种植业主要分布在海拔1650～3200m之间,热量条件较好的地区,该地区≥0℃积温2434～3401℃,≥10℃活动积温在2000℃以上,7～8月份平均气温≥16.5℃,无霜期166～184d(常年只种一季),特别适合春油菜生长,油菜是我省除小麦外种植面积最大
Qinghai Province belongs to the northeastern part of the Qinghai-Tibet Plateau. It is located in the interior of the Qinghai-Tibet Plateau. It is located in the alpine region with low rainfall, dry climate and high altitude (1650 ~ 6860m above sea level). It is cold in winter, cool in summer, long in sunshine, Large amount of light-rich resources. The planting industry in Qinghai Province is mainly distributed in the areas between 1650 and 3200m above sea level with good heat conditions. The accumulated temperature of ≥0 ℃ in this area is 2434 ~ 3401 ℃, the active accumulated temperature of ≥10 ℃ is above 2000 ℃, and the average temperature in July and August is ≥16.5 ℃, frost-free period of 166 ~ 184d (only one season perennial), especially suitable for spring rape growth, rapeseed is our province except wheat, the largest acreage