What is the geographical profile of Siyang?

Siyang county is located in the hinterland of northern Jiangsu, with geographical coordinates between east longitude; 118 20' ~118 45', latitude 33 23' ~ 33 58'; It borders Huaiyin District of Huai 'an City in the east, Hongze Lake in the south, Shuyang County in the north, Sucheng and suyu district in the west and Sihong County in the southwest. The total area of the county is 14 18 square kilometers. Among them, the land area is 998 square kilometers, accounting for 70.38% of the total area; The water area is 420 square kilometers, accounting for 29.62% of the total area. There are 70603 hectares of arable land. Siyang county has no hills and belongs to the floodplain. The overall terrain is high in the west and low in the east, and the relative ground elevation is mostly between 12m- 17m. The Beijing-Hangzhou Grand Canal is 50 kilometers long from east to west, becoming a natural "watershed". South of the canal, high in the north and low in the south, all rivers flow into Hongze Lake, belonging to the Huaihe River system; To the north of the canal, the south is high and the north is low, and the rivers belong to the Yi and Shu water systems. There are more than 30 rivers in the county with a total length of nearly 700 kilometers. There are three types of soil in Siyang County: fluvo-aquic soil, sandy soil and yellow brown soil. Tidal soil has the largest area and the widest distribution, accounting for about 80% of the total area. The soil quality is poor, and the middle and low yield fields are large. At present, the county's poplar standing stock reaches 5 million cubic meters, the annual wood processing capacity exceeds 6,543.8+0,000 cubic meters, the annual growth is 6,543.8+0,000 cubic meters, and the coverage rate of fast-growing poplar trees is 42%. Siyang has 650,000 mu of pure natural ecological water surface, with an annual output of 654.38+10,000 tons of green aquatic products such as turtles, crabs and shrimps. High-quality pollution-free agricultural products sell well in large and medium-sized cities such as Jiangsu, Zhejiang and Shanghai. Siyang Cotton Seed Farm is the only national cotton seed breeding base in the province, and Siyang cotton enjoys a good reputation in the north and south of the country. Siyang, with a long history and complicated changes, was established in Zhou Dynasty and settled in Qin Dynasty. It has been more than 3,000 years since the establishment of the Jewish State in the Western Zhou Dynasty. Lingxian County was located in the Qin Dynasty, and was renamed Ge You County in the Western Han Dynasty. Siyang County was established in the first year of Ding Yuan (BC116); In the fourth year of Ding Yuan (1 13 BC), Surabaya was established in Siyang, Lingxian and Yuxian, with its capital in Lingcheng (now Lingcheng Village, Zhongxing Town). After the Han Dynasty, there were frequent wars, and the name of Siyang changed. During the Three Kingdoms period, it was called Weiyang, its capital was Suyu, and the Tang Dynasty changed to Suqian. In the 14th year of Yuan Dynasty (1277), it was renamed Taoyuan County, which lasted for more than 700 years from the Ming Dynasty to the Qing Dynasty, and in the third year of the Republic of China (19 14), because it was similar to Taoyuan County in Hunan Province. In the spring of the 28th year of the Republic of China (1939), the Japanese army fell into Sri Lanka and the county seat was destroyed. In the 29th year of the Republic of China (1940), the anti-Japanese democratic regime in Siyang County was established. In order to adapt to the war situation, Siyang and some surrounding counties have established four county-level democratic regimes: Sishu, Huaisi, Siyang and Canal Special Zone. In 33 years (1944), the Canal Special Zone was abolished; In 37 years (1948), Huaisi was cut into Siyang; In 38 years of the Republic of China (1949), Sishu and Siyang merged, and the original Siyang was basically restored. The county government is located in Zhongxing Town and belongs to Huaiyin Special Zone (now Huai 'an City). 1996, assigned to the newly established Suqian city.

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