One way to maintain or even increase the productivity of palm oil plantations is through replanting , which is absolutely necessary. Old palm oil trees will decline in productivity, becoming uneconomical. Just as palm oil planting is carried out in stages, replanting oil palm plantations is also carried out in stages and periodically.
Most palm oil companies affiliated with GAPKI have been replanting regularly, or annually, on an area of 4-5%. GAPKI currently has 731 members, while according to Statistics Indonesia (BPS) in 2023, the number of palm oil companies in Indonesia reached 2,446, spread across 26 provinces.
Of Indonesia's approximately 16.8 million hectares of oil palm plantations, 9 million hectares are managed by private companies, 550,000 hectares are owned by state-owned companies (PTPN), 6.1 million hectares are owned by smallholders, and the remainder has not been verified. Specifically for replanting, the government is targeting 180,000 hectares per year for smallholders, but by 2024, only 38,244 hectares had been realized, far short of the target.
With an average hectare of palm oil plantation containing 125 trees, each tree having an average dry weight of 0.4 tons, per hectare yields 50 tons of dry biomass. For an area of 10,000 hectares, this translates to 0.5 million tons of dry biomass, and for an area of 100,000 hectares, this translates to 5 million tons of dry biomass. Optimistically, Indonesia could achieve 5% replanting, or 820,000 hectares, which would yield 41 million tons of dry biomass per year. Malaysia, with 5% replanting, or 285,000 hectares, would produce 14.25 million tons of dry biomass per year.
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