Fostering a climate-smart intensification for oil palm

Monzón, Juan Pablo; Slingerland, M.A.; Rahutomo, Suroso; Agus, Fahmuddin; Oberthür, Thomas; Andrade, José F.; Couëdel, Antoine; Edreira, Juan I. Rattalino; Hekman, Willem; Beuken, Rob van den; Hidayat, Fandi; Pradiko, Iput; Purwantomo, Dwi K.G.; Donough, C. R.; Sugianto, Hendra; Farrell, Thomas J.; Grassini, Patricio

doi:10.1038/s41893-021-00700-y

Cited by 45 publications

(19 citation statements)

References 46 publications

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“…5). The average annual yield of 29.6 Mg ha −1 yr −1 under the reduced management system was very close to the recently published 'attainable yield' of 30.6 Mg ha −1 yr −1 for large-scale oil palm plantations, defined as the yield attained with the adoption of economically optimal inputs and management practices 1 . The similar yields among treatments suggest a more efficient use of applied fertilizers in the reduced management system, particularly on N, as shown by a 56% decrease in dissolved N losses in the reduced fertilization and mechanical weeding compared with conventional management (Supplementary Table 2) 15 .…”

Section: Management Effect On Yield and Profitsupporting

confidence: 82%

“…Oil palm production has increasingly expanded in large areas of Southeast Asia, with Indonesia currently the world's largest producer of palm oil 1 , which also coincides with increased rates of deforestation in the country 2 . It is estimated that between 2001 and 2019, oil palm plantations were responsible for 32% of the total forest area lost in Indonesia 3 .…”

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confidence: 99%

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Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm

et al. 2023

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Oil palm is the most productive oil crop, but its high productivity is associated with conventional management (that is, high fertilization rates and herbicide application), causing deleterious environmental impacts. Using a 22 factorial experiment, we assessed the effects of conventional vs reduced (equal to nutrients removed by fruit harvest) fertilization rates and herbicide vs mechanical weeding on ecosystem functions, biodiversity and profitability. Analysing across multiple ecosystem functions, mechanical weeding exhibited higher multifunctionality than herbicide treatment, although this effect was concealed when evaluating only for individual functions. Biodiversity was also enhanced, driven by 33% more plant species under mechanical weeding. Compared with conventional management, reduced fertilization and mechanical weeding increased profit by 12% and relative gross margin by 11% due to reductions in material costs, while attaining similar yields. Mechanical weeding with reduced, compensatory fertilization in mature oil palm plantations is a tenable management option for enhancing ecosystem multifunctionality and biodiversity and increasing profit, providing win–win situations.

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Section: Management Effect On Yield and Profitsupporting

confidence: 82%

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confidence: 99%

Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm

et al. 2023

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“…Given the threat that climate change poses to food security and the economies and livelihoods that depend on agriculture [121], and because cultivation stage management choices play a considerable role in determining a plantation's GHG emissions, we suggest that PLOS SUSTAINABILITY AND TRANSFORMATION future research should prioritize assessing emissions associated with common sustainability interventions. Modeling studies could also be conducted to assess the effectiveness of interventions under alternative climate change scenarios, as these may be expected to vary with changing climatic conditions (see for example [122,123]). Linked to this, it is also important to consider how different management strategies would perform under changing climatic conditions.…”

Section: Few Studies Address Ghg Emissionsmentioning

confidence: 99%

A systematic map of within-plantation oil palm management practices reveals a rapidly growing but patchy evidence base

Popkin

Reiss-Woolever

Turner

et al. 2022

PLOS Sustain Transform

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Although oil palm expansion has had severe environmental impacts, oil palm also has the highest yield per hectare of any vegetable oil crop. Compared to many other crops, it has the potential to support high complexity habitats, with minimal chemical input, and relatively high levels of biodiversity and ecosystem functioning. However, there has been little synthesis of available research on oil palm management strategies to support delivery of more sustainable cultivation. In this paper, we provide a systematic map compiling all available evidence assessing within-plantation oil palm management practices at the cultivation stage, with a focus on practices that affect biodiversity and environmental processes. Using approaches adapted from systematic review protocols, we catalogued oil palm management publications to provide details of geographic location, year, interventions tested (i.e. agricultural practices), targeted outcomes of interventions, co-occurrences between different interventions and outcomes (including multiple outcomes), and study design. Most studies were conducted in Southeast Asia, with fewer studies conducted in South America or Africa. Twenty-six interventions were observed in the literature, across six categories: soil, understory, within-crop, landscape-level, replanting, and mixed/multiple interventions. The most common interventions tested were landscape-scale interventions, such as maintaining forest fragments/buffer zones, whereas interventions involved in replanting were the least researched. Eight outcomes were considered: soil fertility, soil erosion, water quality and availability, pest control, replanting, maintenance of biodiversity and areas of high conservation value, and reducing air pollution and greenhouse gas emissions. Studies researching biodiversity were the most common, whereas comparatively few studies considered replanting and reducing emissions. Most primary studies were observational, with experimental studies being rarer, especially in biodiversity research. We match our findings to the Roundtable on Sustainable Palm Oil’s environmental sustainability criteria to illustrate how policy-makers and producers may use our map to access evidence supporting cultivation-stage oil palm sustainability management. This study provides valuable information to inform best management practices and direction for necessary future research.

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“…The area of smallholder oil palm plantations in Aceh Tamiang District in 2020 was 21,956 ha with a production of 251.09 thousand tonnes of Fresh Fruit Bunches (FFB) and productivity of 11.43 tons of FFB per hectare [1]. If we look at the area of land with production, the productivity is very far from the total productivity that farmers should get, where under optimal conditions, oil palm productivity can reach 30.6 tons of FFB per hectare [2].…”

Section: Introductionmentioning

confidence: 99%

Population and attack of bagworm pests in smallholder oil palm plantations in Tenggulun Sub District, Aceh Tamiang District, Aceh

Mulyani,

Iswahyudi,

Rozalina

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Bagworms are leaf-eating insects that are quite greedy and difficult to control because these pests hide in their bags. This pest control needs to be done especially on immature plants. This research aims to determine the dynamics of bagworm populations in immature oil palm plants and the percentage of bagworm attacks in smallholder oil palm plantations with different management. This research was carried out by direct observation of bagworms on Smallholder Oil Palm Plantations in Selamat Village and Tenggulun Village. In each village, 2 observation locations were determined and 25 plant samples were selected from each observation location. Dead bagworms are collected to determine the cause of death. The results of the research found 3 species of bagworms at the research location (Mahasena corbetti, Metisa plana and Cremastopsyche pendula). The most commonly found bagworm species is Mahesa plana. Mahasena corbetti is a priority to control because its attack level is in the medium category. Furthermore, the percentage of bagworm attacks ranges from 38-76%. The bagworm population in Selamat Village is lower than in Tenggulun Village, this is because oil palm farmers in Selamat Village have implemented integrated pest control methods in managing their oil palm plants, (utilizing natural enemies/predators, manual eradication of bagworm pests and trunk injection.

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Fostering a climate-smart intensification for oil palm

Cited by 45 publications

References 46 publications

Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm

Mechanical weeding enhances ecosystem multifunctionality and profit in industrial oil palm

A systematic map of within-plantation oil palm management practices reveals a rapidly growing but patchy evidence base

Population and attack of bagworm pests in smallholder oil palm plantations in Tenggulun Sub District, Aceh Tamiang District, Aceh

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