To expand key demonstration zones for agricultural technology extension. In addition to the provision of extension services, mechanisation of the small farms is promoted through the production of small tractors and machines. The better-off farmers are also motivated to specialise in machine service and enter the agricultural service market. The modernisation of small-sized agriculture has brought about a significant increase in grain yield, from 3 tons per hectare in 1984 to 4.88 tons in 2008.