What are the advantages of agricultural development in Hexi Corridor?

The favorable conditions of local climate for agricultural development are: temperate continental climate, intense heat in winter and little precipitation. Strong solar radiation, large temperature difference between day and night; The terrain is flat, the soil layer is deep, and there are many water sources, including mountains, snow, ice and meltwater.

Hexi Corridor is the main road from China to Xinjiang. It starts from Wushaoling in the east, reaches Guyumen in the west, and is between Nanshan (Qilian Mountain and Altun Mountain) and Beishan (Mazong Mountain, Heli Mountain and Longshou Mountain) in the north and south. It is about 900 kilometers long and several kilometers wide to nearly 100 kilometers. It is a long and narrow flat land in the northwest-southeast direction, which looks like a corridor and is called Gansu Corridor. Because it is located to the west of the Yellow River, it is also called Hexi Corridor.

Hexi Corridor is an economically developed area in Gansu, among which Jiuquan, Jiayuguan and Jinchang are relatively developed in high technology.

Hexi Corridor, with two world cultural heritages and rich cultural and historical details, is the main passage of the Silk Road.

Cold wave weather often forms in Hexi Corridor in winter and spring. The main source of summer precipitation is the summer monsoon invading this area. The climate is dry, hot and cold change dramatically, windy and sandy. From east to west, the annual precipitation is decreasing and the dryness is increasing. For example, the annual precipitation in Wuwei 158.4 mm, Dunhuang 36.8mm；; The dryness of Jiuquan is 4 ~ 8 in the east and 8 ~ 24 in the west. Precipitation changes greatly every year. Summer precipitation accounts for 50% of the annual total.

Hexi Corridor 15 ~ 25% in spring, 10 ~ 25% in autumn and 3 ~ 16% in winter. There are fewer clouds and more sunshine hours, 3000 hours in most areas and 3336 hours in Dunhuang in the west. The annual average temperature is 5.8 ~ 9.3℃, but the absolute maximum temperature can reach 42.8℃ and the absolute minimum temperature is -29.3℃, with a difference of more than 72.65438 0℃. The average temperature difference between day and night is about 65438 05℃, and there are four seasons in a day. The number of sandstorm days in Minqin is more than 50 days, while the number of gale days above magnitude 8 in Anxi is 80 days a year, which is called "wind warehouse". The wind in the corridor is changeable. Wuwei and Minqin areas are dominated by northwest wind; Yumen, Anxi, Dunhuang and other places west of Jiayuguan are dominated by northeast wind and east wind.

Climate The climate of Hexi Corridor belongs to continental arid climate. Although there is little precipitation (the annual precipitation is only about 200mm), other climatic conditions for developing agriculture are still very favorable.

The local clouds are scarce and the sunshine time is long. The annual sunshine can reach 2550 ~ 3500 hours, which is rich in light resources and is very beneficial to the growth and development of crops. Because it is located in the mid-latitude zone, and the altitude is high, the heat is insufficient, but the temperature is high in the growing season of crops, which is beneficial to the accumulation of substances in crops, especially suitable for the accumulation of sugar in fruits and vegetables.

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