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大漠酒庄 治沙先锋
New grape rewards

[ 2013-06-13 14:59] 来源:中国日报网     字号 [] [] []  
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大漠酒庄 治沙先锋


A vineyard is greening Inner Mongolia's desert while producing high-quality wines. WangKaihao and Yang Fang report in Wuhai, Inner Mongolia.

It looks like a mirage.

A five-story European-style chateau stands in the Ulan Buh Desert flanked by the HelanMountains, which run south for 200 kilometers and are bisected by the Yellow River. The villa issurrounded by verdant landscapes.

This oasis is host to a 250-hectare vineyard surrounded by poplar thickets. The ChateauHansen produces more than 10,000 tons of wine a year from what was barren sand less than adecade ago.

"We'd been trying various methods, such as planting trees and bushes, to combatdesertification for years," the vineyard's deputy director Li Aixin says.

"But these government-led initiatives didn't embrace the market and didn't gain traction. Wecan't sacrifice our ecology for profits, but it's equally unwise to ignore economic opportunitiesand solely rely on selfless dedication."

Wuhai has an abundance of annual sunshine - up to 3,200 hours. Its latitude is similar toFrance's Bordeaux and California's Napa Valley. The vast temperature differences within the24-hour cycle are conducive to the grapes' sugar accumulation.

The city was built around large-scale coal mines in the 1950s.

Migrants brought grape seeds, and local families often trellised their back yards and grewvines. Vineyards were common in the city.

But only 65 percent of grapes survived past a year because soil salinization hovered aroundpH 8 and temperatures plummet to -30 C in winter. Grapes had to be replanted annually, whiletop-tier wines usually comes from aged vines.

Technicians in Li's team grafted French varieties, including Cabernet Sauvignon, CabernetFranc and Merlot, on roots from local wild grapes to create hybrids.

They also grew breeds common to China for comparison. Though the new varieties grewslower in the first year, they struggled to survive and bloomed. Others gradually withered.

Annual rainfall in the region is 100-200 mm, but evaporation exceeds 3,000 mm.

And the precipitation that soaks the ground seeps through the vineyard's sand withoutnourishing the plants. An Israeli drip irrigation system was introduced, and the survival raterocketed to 95 percent.

"If you drop a grape seed in a southern province, it will easily grow into a vine," Li says.

"But our varieties are much stronger against cold, disease and other ecological inhospitalities.It's not good to always protect plants in greenhouses."

Sandstorms pose the greatest threat to seedlings.

"No matter how we grow the plants, sandstorms can blast or bury, and kill them," Li says.

Poplars became the first shield.

But the 10-meter-high trees only blunted the force of the sandblasts, and many seedlings stilldied.

In 2008, the vineyard piloted the method of growing grapesand alfalfa on the same ridge.

Alfalfa proved to be the fragile grapevines' effectiveguardian. The herb typically lives 5-7 years,providing grapevines time to grow strong enough tosurvive sandstorms. Alfalfa stalks are buried toenhance fertility.

"You must respect nature's rules," Li says.

"If you cheat soil, it cheats you back. Using scientificapproaches to adapt can best reap nature'srewards."

Alfalfa's rewards are the rich nitrogen it gives soiland the nutrition it offers sheep. Sheep have longbeen a staple of the area's largely nomadic herdingeconomy.

The vineyard produces 100 tons of alfalfa annuallyin addition to 500 tons of grapes. The alfalfa is sentto a sheep farm 100 km away and returns asmanure that fertilizes organic grapes.

The vineyard is set to expand its claim on thedesert, with a 13-hectare poplar and pagoda treenursery.

This not only improves the local environment butalso provides economic opportunities to migrantsdriven off their land by ecological hardships.

Chen Huizi, a native of Qingyang, Gansu province, struggled with unstable corn yields in herdry and marginally arable hometown.

She came to the vineyard in 2008 and trained to become a grape farmer.

"We used to depend entirely on nature's mercy," she recalls while pruning a vine.

"A stable salary is a blessing."

This small self-sustaining ecosystem has been replicated in three larger vineyards with similarhabitats west of Wuhai, in neighboring Ordos and in the Ningxia Hui autonomous region'sWuzhong. The model now covers more than 6,600 hectares.

Inner Mongolia University biology professor and Hansen's cultural director Xue Xiaoxianexplains: "The word 'chateau' is usually misunderstood. People usually think of a castle withcellars. Instead, it's an essential form of agriculture."

Chateau's Chinese translation - jiuzhuang - literally means "wine manor".

"This is a carbon-reduction industry that's one step ahead of the low-carbon model," Xue says.

"Grapes are a long-term investment. We've just begun to see results."

This progress encourages Chinese winemakers long frustrated with the country's inability toproduce internationally acclaimed wines.

"Chinese wine is neglected in overseas markets because its production bases lack uniquecharacteristics," says winemaker Kang Dengzhao, who's also chief technical engineer of thewinery in Hansen.

"Wineries often collect grapes from individual growers, making it difficult to stick to a singlestandard. Sometimes the more grapes are grown, the poorer the quality.

"But our desert grapes are distinctive."



























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(中国日报记者 王恺昊 杨芳 编译)