It was also observed that sediment yield, a major cause of siltation and flooding in lowland areas, decreased to 2 t/ha per year in a giant bamboo plantation compared with 50 t/ha per year in an open area.īamboo foliage can also help in intercepting raindrops and minimizing their impact on the soil surface. The study revealed that the incidence of displaced soil particles was lessened by 80 percent, while a river near a giant bamboo plantation decreased water discharge by 85 percent. At the Taganibong Watershed, soil erosion was measured every time it rained through the erosion bar method.ĭuring a period of two years, data showed that giant bamboo can cut soil losses by about 75 percent or 22.66 tons per hectare (t/ha) per year, compared with 90.12 t/ ha per year in an open area. Specifically, the project observed the benefits of bamboo in the Taganibong Watershed in Musuan, Bukidnon. The project, which was funded by the Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development of the Department of Science and Technology (PCAARRD-DOST), assessed the contribution of giant bamboo, one of the most abundant bamboo species in Northern Mindanao, to environmental services.
These factors, they say, can help minimize soil erosion and landslides. A study conducted by a team of researchers from the Central Mindanao University (CMU) showed that giant bamboo can also cut soil losses and decrease water discharge and sediment yield. The giant bamboo, which releases more oxygen than trees, can also help stabilize riverbanks, regulate watersheds, protect against soil erosion, and recycle water nutrients.
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