Traditional farming to help end global hunger

Sustainable heritage agriculture could be an answer to the problem of global food security.

Eliminating hunger is one of the United Nations’ 2030 Sustainable Development Goals, but with 690 million people still going hungry, our agricultural heritage has plenty to teach us about how to feed our growing population without destroying the planet.

That’s the principle behind the UN Food and Agriculture Organization’s (FAO) Globally Important Agricultural Heritage Systems (GIAHS) programme which highlights ways of farming which have proven resilient in the face of political and climate change to deliver food security.

Since 2005, 62 sites in 22 countries have been designated and 15 more are under evaluation. The FAO wants to tap into generations of knowledge and experience to help global agriculture become more sustainable.

Designated areas range from the Maasai pastoralist traditions in Kenya and Italy’s traditional Soave vineyards to floating gardens in Bangladesh, a Chinese tea farm and rice terraces in the Philippines.

 A biodiversity hotspot

A comparatively recent addition to the list is the Chtouka Aït Baha region of Morocco which was designated in 2018. The area is home to an incredibly biodiverse approach to agriculture based on growing argan nuts whose oil is used in cooking and in hair and skin cosmetics.

The trees are drought- and heat-resistant – they can withstand 50C heat – and are the foundation of a unique agricultural system that combines crops, trees and animals.

Humans are not the only fans of argan. The local goats often climb into the trees to eat the nuts and leaves.

FAO says the area is “a biodiversity hotspot”, supporting 50 species of cultivated plants in 102 local varieties which are endemic to the region. It says the trees are the pillars of an ecosystem which, as well as oil, provide cereals, firewood, meat and wool to local people.

Crops at altitude

Half a world away in the Andean mountains of Peru, farmers use a system of agriculture that is at least 5,000 years old and perfectly adapted to the terrain and the climate. Terracing allows them to grow different crops on mountainsides, each adapted to the altitude at which it is grown.

Between 2,800 and 3,300 metres above sea level farmers grow maize, higher up between 3,300 and 3,800 metres they plant potatoes and above 3,800 metres they keep livestock and cultivate high-altitude crops like quinoa.

Over the millennia, farmers have perfected the art of using scarce water resources to maximum effect including creating channels that trap water and allow it warm during the day and “qochas” – natural rainwater pools which enable intensive agriculture at high altitudes.

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