There are many similarities between calliandra and gliricidae namely, the leguminoceae group, the wood has a high calorific value, easy to grow, suitable for cultivated energy plantation with fast growing capability after harvesting the wood, and can be integrated with the livestock business by utilizing the green leaves. But gliricidae sepium is easier and more common in many places. This is because gamal has several advantages over calliandra ie as shade trees, fences plants and simple building poles. Gliricidae can also grow in various places and types of soil, evident from the sea to the high mountains. As for the energy sector, calliandra wood has an advantage with faster dry so it can be exploited or easier to process further.
As a group of leguminoceae both gliricidae and calliandra are able to fertilize the soil because its roots are able to bind nitrogen from the atmosphere, increase soil organic matter, improve physical characteristics of soil, aeration and drainage, reduce soil erosion, lower soil temperature and reduce ground water evaporation. Critical land, marginal and unused land will be repaired with the leguminoceae. Human essential matter issues such as water, energy and food can also be fulfilled by the plantation. As with calliandra, for optimization of gliricidae can also be integrated in 5F projects for the world!.
Since implementing the RPS (Renewable Portfolio Standard) in 2012 Korea committed to increase the use of renewable energy, especially biomass and more specifically wood pellets in its energy sector. Based on the RPS, Korea requires a coal-fired power plant to use a minimum 2% of renewable energy by 2012, with 0.5% per year increase until 2020. By 2020 they will need a minimum of 10% renewable energy with 60% renewable energy composition coming from wood biomass , while the remaining 40% from other sources. Palm kernel shells also become short and medium term solutions, and wood pellets for the long term. Since a few years ago some gliricidae energy plantations have been created by cooperating with Korea. Although until now the commercial production of gliricidae wood pellets not yet realized, but it seems in the near future will be realized. Some of the driving forces include the limited availability of palm kernel shells, wood pellets from raw materials of wood wastes are also limited, and biomass pellets from various agricultural wastes are of low quality and often require various treatments before they are pelleted. It seems that gliricidae will soon be massively cultivated to meet renewable energy in Korea.