PR98439

SHANGHAI, Oct. 24, 2022 /Xinhua=KYODO JBN/--

Water is believed the secret to the bumper harvest of high quality agricultural

products in Chongming. The quality of water in the district maintains the same

standard as the water quality of the Dongfeng Xisha Reservoir and Qingcaosha

Reservoir -- the major drinking water sources for Shanghai residents.

Since 2007, Chongming has initiated an industrial structure adjustment program

in accordance with the requirements of its ecological island construction and

the city's industrial structure adjustment.

After over 10 years of effort, nearly 300 projects with out-dated production

capacity have been shut down or relocated, including industries such as

textile, printing and dyeing, and paper making, which are worried to cause

pollution to the water environment.

Through the unremitting water environment improvement project, Chongming's

surface water quality compliance rate has reached 100 percent, and agricultural

production continues to benefit. Mitten crab is one of the most renowned local

aquatic products. Chongming crab is often hailed by gourmands for its

attractive aroma and sweet taste.

Wang Chenghui, a professor with Shanghai Ocean University, attributes

Chongming's location at the mouth of the Yangtze River to this special flavor.

The water quality here, where the fresh water and salty water meets, is rich in

nutrients, Wang says.

Although Chongming has a smaller water area and limited production capacity

compared with nearby crab-breeding areas in Jiangsu and Anhui provinces, it can

improve its crab quality to increase its popularity and value, Wang adds.

Like the crab, high-quality rice is another signature produce of the district.

In 2017, Chongming Rice, free from use of chemical fertilizers and pesticides,

won the silver medal for its high quality in Shanghai.

The allocation of farming area for green food within the district has reached

92 percent.

At the Jiangfan Fruit and Vegetable Professional Cooperative in Chongming's

Miaozhen Town, the model of "rice, fish and cray- fish" has been ongoing for

many years.

By raising fish, crayfish and other organisms in rice fields, weeds and pests

can be minimized without the use of pesticides.

In the nutritious water, fish and crayfish are well fed while rice produces a

good yield, as well as an increased market value.

According to Huang Guochao, head of the cooperative, the income per hectare on

the farm is several times that of conventional rice planting.

Source: Information Office of Shanghai Chongming District People's Government

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   Caption: Chongming Water Secret

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   Caption: Chongming crab