Sustainable Production of Lampung Robusta Coffee: A Cost-Benefit Analysis
The application of coffee agroforestry system in upstream watersheds is essential to analyze more deeply to answer global the demand for sustainable production. Information on the evaluation of agroforestry coffee systems sustainability in Sekampung upper watershed is still limited. This study aimed to analyze the economic sustainability of coffee production systems in the upper watershed. The research took place in Sekampung upper watershed located Air Naningan sub-district of Tanggamus, selected purposively. Datar Lebuay and SinarJawa villages were selected because both regions have most extensive dry land use. Besides, mainly the two villages are crossed with two large rivers flowing water into Way Sekampung and Batu Tegi Dam watersheds: Sangharus River and Sekampung Hulu River. The respondents were coffee farmers, selected based on land management status including private/clan holders, IUPHKm permits, and non-HKm. Respondent sampling was conducted randomly based on the land status of 400 people. Data was collected by interviewing individual respondents using a questionnaire. The method of measuring the economic feasibility of coffee production systems used was Cost Benefit Analysis (CBA) with sustainability indicators of NPV, Net Benefit, and EIRR. Considering the results of the analysis, it could be concluded that coffee farming in agroforestry cultivation systems and coffee monoculture systems in the different land tenure met the eligibility criteria and provided long-term economic benefits. The application of agroforestry coffee was a strategic option to increase the farmers’ land productivity. Agroforestry coffee production in the long run was relatively resistant to the changing coffee prices despite extreme price declines. The option to increase the diversity of intercropping populations and MPTS could increase the farmers' land productivity.
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