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Hong Kong’s quest for the Tesla of food

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Some hydroponic systems are small enough to be set up on a balcony or rooftop. Photo: City Hydroponics

He says there are about 50 rooftop farms in the city, totalling 1.5 hectares of land. He estimates that 595 hectares of rooftop space could be converted to farms – that’s just under half the size of Hong Kong International Airport.

By Marianne Bray
South China Morning Post
Sept 14, 2017

Excerpt:

If everyone consumed the way Hongkongers do, the WWF estimates, we would need 3.9 earths. According to the Agriculture, Fisheries and Conservation Department, 84 per cent of farmland in Hong Kong lies uncultivated, and a panel of restaurant managers at the summit said sourcing high-quality local food was a big challenge.

It is a far cry from 60 years ago when the city had a 60 per cent self-sufficiency rate, says Dr Daisy Tam Dic-sze, associate professor at Baptist University (HKBU).

The city now imports 90 per cent of the food for its 7.3 million residents and 56 million annual visitors. Most comes from China, which is dealing with water, soil and air contamination and food scares. “China’s soil is getting sour, with a low pH level,” says Joseph Zhou, Bits x Bites’ investment partner. “This makes it very hard to grow produce.”

Read the complete article here.