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Poor irrigation facilities threaten grain production

(Xinhua)
Updated: 2009-03-12 12:44

Small canals and sluices that link China's reservoirs and major rivers with farmlands are too old to channel enough water for crops and may threaten the safety of grain supply for the country's 1.3 billion people, said lawmakers in Beijing on Wednesday.

China has paid much attention to building big reservoirs and waterways but neglected the construction of smaller ditches and channels, some of which have not been renovated for decades, said Hua Youxun, Party secretary of Zhumadian city of central China's Henan Province.

The city, a major grain producing area with annual output of around 6.5 million tonnes, will see this year's production affected by a worst-in-decades drought, said Hua, also a deputy to the National People's Congress (NPC), on the sidelines of the annual parliament session.

The city's anti-drought efforts were compromised by the poor condition of local irrigation projects, which were damaged by floods in 1975 and not fully restored yet, Hua told Xinhua.

From October 2008 through February, persistent dry weather hit most parts of north China, parching 161 million mu (10.73 hectares) of cropland, leaving 4.37 million people and 2.1 million heads of livestock short of drinking water.

Some small water conservancy projects can't function well because newly built large reservoirs on the upper reaches of major rivers such as the Yellow River and the Yangtze River have reduced water levels downstream.

"Many of our main pumping stations were built in the 1950s," said Zhu Jianhua, an NPC deputy from the Jianli County, the biggest grain producing county in central China's Hubei Province. "Without immediate upgrading, they will have a negative impact on grain production."

Only 867 million mu, or nearly half, of China's 1.83 billion mu of arable land has access to irrigation, said Wang Xiaodong, a Ministry of Water Resources official, earlier this month.

Among the irrigated fields, 610 million mu benefits from a total of 40,000 small- and medium-sized irrigation networks, according to Wang. Less than 40 percent of the networks' facilities are in good condition, he said.

China's State Council, or Cabinet, issued last week a decree on drought relief. It holds governments above the county level responsible for maintaining irrigation facilities.

Chinese Premier Wen Jiabao said in a government work report last week more money will be spent on public works in mid-western rural areas and that local governments at or below the country level won't be required to share the financial burden.

Hua said the move will be heartening but can't solve all problems.

The household management of farmland makes it difficult to collectively plan and build irrigation projects, said Chen Yiyu, an academician with the Chinese Academy of Sciences (CAS).

Xing Kezhi, an NPC deputy and vice president of the Tianjin Agricultural University, advised guiding more social funds into water conservancy project construction and making the responsibility of maintenance clear.

China produced 528.5 million tons of grain last year, and is aiming to keep the output at around 500 million tons this year to feed the country's 1.3 billion population.