Coffee is an important export commodity for Indonesia, which contributes a sizeable foreign exchange. Indonesian coffee production is still fluctuating. Simalungun is a regency in North Sumatera province which have significant potential for the development of Arabica coffee commodity. However, there are some obstacles in the development of arabica coffee farming including land resources utilization, aspects of cultivation, harvest and post-harvest, and institutional aspects. Therefore, it is necessary to formulate business development strategies for arabica coffe agribusiness. This study aims to determine priority strategies from various alternatives in developing Arabica coffee. Determination of the location of the study was done purposively. Respondents in this study were experts or key people who understoodarabika coffee agribusiness. The method used in determining respondents is purposive sampling. Primary data is obtained through direct interviews conducted with respondents and secondary data obtained from books, journals and books of the agricultural service report. Several alternatives in this study were determined based on the results of discussions with the experts and also based on the literature and previous research. Some of these alternatives are then compared in a questionnaire for the respondents. The comparison is then processed using the analytic hierarchy process method (AHP). Data processing is done using the expert choice application so that a priority alternative appears. The study oncludes that based on analytic hierarchy process, the priority strategy is developing the capacity of human resources (HR) of agribusiness actors

This study aims to determine the feasibility of farming and analyze the sensitivity of Arabica coffee farming to the increase in costs and the decrease in the selling price of Arabica coffee in Simalungun Regency. The population of this study were Arabica coffee farmers, the number of respondents in this study was 60 people. The method used in the feasibility analysis is to calculate the R/C ratio, Return on Investment (ROI), NPV, IRR, Net B/C, and PP. Meanwhile, analyzing the sensitivity of farming is carried out using the method of increasing costs and decreasing the selling price of Arabica coffee in Simalungun Regency. Based on the feasibility analysis of the farming business carried out, Arabica coffee farming is categorized as still feasible to cultivate. Meanwhile, Arabica coffee farming is more sensitive to the decline in the selling price of Arabica coffee by 10% and 20%, respectively. The feasibility analysis and sensitivity analysis are one of the things that encourage people to continue cultivating Arabica coffee because based on the feasibility analysis and sensitivity analysis, Arabica coffee is suitable for cultivation.

Sampah merupakan hal yang tak terpisahkan dari kehidupan. Setiap aktivitas yang terjadi akan menghasilkan sampah. Sampah ada dua jenis yaitu sampah organik dan anorganik. Sampah dapat dikelola kembali dengan menerapkan 3 hal yaitu reuse, reduce, recycle. Proses pengelolaan sampah menerapkan sistem manajemen dimulai dari  sampah terlebih dahulu dipilah menjadi sampah organik dan sampah anorganik. Pengabdian ini dilakukan dengan pengelolaan sampah organik dalam upaya membantu petani dalam manajemen modal. Pengelolaan sampah organik menjadi pupuk kompos dilakukan secara anaerob menggunakan EM4. Pengolahan sampah organik secara anaerob merupakan pengubahan sampah organik secara tertutup atau tanpa udara. Masalah yang terjadi dikalangan petani saat ini adalah kurangnya modal. Kurangnya modal tersebut sangat membebani petani karena subsidi pupuk telah dikurangi oleh pemerintah. Berkurangnya subsidi pupuk anorganik oleh pemerintah sangat memberatkan petani dalam menjalankan usahataninya. Petani dituntut untuk menambah modal dalam melakukan usahatani. Kondisi sekarang ini mendorong petani untuk mampu melakukan manajemen terhadap modal yang dimiliki. Modal memiliki banyak bentuk, salah satunya adalah modal uang yang digunakan petani dalam membeli pupuk. Penggunaan pupuk anorganik dapat diganti dengan pupuk organik atau digunakan secara bersamaan sehingga dapat mengurangi biaya dalam usahatani dengan demikian maka pengelolaan sampah organik menjadi pupuk kompos membantu petani dalam manajemen modal.