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A Sustainable Farm System under Pressure
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case study

 
 

In the highlands of Luzon, people have always struggled to provide enough food to feed their families. Yet the Ifugao people have developed a farm system that has been sustainable for 2,000 years.

luzon

Natural Ingredients
Like most south-east Asian peoples, the Ifugao's staple food is rice. The climate of northern Luzon lends itself well to growing rice. Two distinct rainy seasons bring enough water to flood and irrigate the padis, and long hours of tropical sunshine help to make the rice plants grow and ripen. Meanwhile, the soil is enriched by volcanic rock, deposited river sediment, and nutrients from rotting forest leaves.


Terraces, Dykes and Drains
Despite these natural benefits, the mountain slopes are very steep, making it very difficult to grow anything. To overcome this, the Ifugao carved terraces of rice padis creating a vast amphitheatre. The terraces, like giant steps into the mountains, are divided by stone dykes (walls). Some of these dykes are as high as twenty metres. If these terraces were joined end to end, they would circle half the Earth.
rice terraces
�Jeremy Horner/Panos Pictures.
But this is not as easy as it sounds. To control the flow of water from one padi to another, the Ifugao have built a complex system of irrigation channels and bamboo pipes that take water from the nearby river and criss-cross the terraces. Drains supplying water from one terrace to the next are opened or closed depending on the water requirements of different padis. Meanwhile, the Ifugao have to work hard to carefully maintain the dykes to prevent them from eroding or even collapsing.

click here The Ifugao cannot live on rice alone. To ensure that they have a balanced diet, their gardens are filled with fruit trees, and the rich volcanic soil enables them to grow root crops like potatoes to the size of pumpkins. The Ifugao also rear chickens and goats, whose nimble feet can negotiate the area's steep slopes.
The System under Pressure
Thanks to the fertile soil, the Ifugao rice farmers do not need to buy artificial fertilisers, but the growth in the population is putting this organic form of farming under stress. In the past, an Ifugao family might own a whole terrace. Today, these terraces are sub-divided between sons as they inherit land from their father, a process known as 'fragmentation'. This is particularly a problem for the poorer families who own the steeper, narrower terraces.
Mechanisation and the use of water buffalo to pull a plough would help Ifugao farmers produce more from these smaller plots of land, but the terraces are too narrow and steep.
rice terraces
�Simon Scoones/Worldaware.
The traditional rice varieties used by the Ifugao also present problems as they can only produce one harvest a year. Their tall stems are vulnerable to the fierce winds brought by typhoons which cross the region from time to time, and in recent years, changes in global climate patterns have brought extended hot and dry spells to the area, leaving the rice crop wilted and parched. In other areas, farmers use the shorter higher yielding varieties (HYVs) of rice that were developed during the Green Revolution in the 1960s and 1970s. They can withstand a battering from typhoon winds, and HYVs can generate two or even three harvests a year. However, the irrigation system developed by the Ifugao does not suit HYV rice.

Other natural threats cause problems for the Ifugao. Thumb-sized earthworms that can be one metre long bore holes into the soil and terrace walls, causing water to seep out of the padi fields. Earthquakes can cause structural damage to the dykes too.

An Uncertain Future
elderly ifuago womanFor many of the younger Ifugao, the towns and cities appear to offer work opportunities that are less back-breaking and more financially rewarding. As a result, many have chosen to move to Baguio, northern Luzon's largest city, or even venture further south to the capital city of Manila. The drift to urban areas of many of the younger generation means that the Ifugao population in the highlands is ageing. There is a danger that their skills and knowledge passed by word of mouth over generations may be lost.
Although it has provided food for thousands of years, the sustainability of the Ifugao's farm system in the future is in question...

For more information on the Ifugao and a range of maps of The Philippines, visit www.ifugaos.org/ifugao.htm
 
 
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