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All Journal Jurnal Teknologi dan Manajemen JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian
Annisa Wirrdiana Yuniasih
Politeknik Pembangunan Pertanian Yogyakarta Magelang
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Industrial & Manufacturing Engineering Social Sciences Veterinary

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Literature Review of Inventory with Probabilistic Economic Order Quantity (EOQ) Annisa Wirrdiana Yuniasih; Nur Rohmah Lufti A'yuni
Jurnal Teknologi dan Manajemen Vol. 22 No. 1 (2024): JURNAL TEKNOLOGI DAN MANAJEMEN (FEBRUARY)
Publisher : Politeknik STMI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52330/jtm.v22i1.220

Abstract

In the current era of global competition, many trading companies compete to meet consumer needs. This competition causes the level of demand between companies to fluctuate greatly, resulting in problems in the company's inventory system for goods or products. Inventory problems that often occur in a company include over stock, stock out, underproduction, overproduction, back log, and inventory that is not in line with company targets. This inventory problem is one of the things that must be overcome by controlling mathematically using methods that suit needs. One method that assumes this fluctuating demand used a model Economic Order Quantity (EOQ) Probabilistic. Therefore, this study aims to examine the use of Probabilistic EOQ in controlling company inventory and find out how much influence the use of this model has on company inventory. This study uses the method Systematic Literatur Review or SLR with a qualitative model that combines several literature articles as a reference for the study. The study produced several important notes on the use of the Probabilistic EOQ model. This model aims to optimize total inventory costs with the assumption that demand for products or goods is very fluctuating. This model assumes that the data is normally distributed with a waiting time or lead time as a basis for decision making in calculating optimal inventory. Apart from that, other supporting methods are needed to strengthen calculations in overcoming inventory shortages, such as safety stock or safety supplies and reoder point. The research results show that this method can be used on various types of food and non-food items. Apart from that, this method is considered to be able to reduce total inventory cost or total inventory costs.
Pengaruh Motivasi dan Lingkungan Kampus terhadap Minat Berwirausaha Mahasiswa Pertanian di Polbangtan Yogyakarta Magelang Annisa Wirrdiana Yuniasih; Hafidz Adnin Al Ghoza; Ridi Antyaningrum; Scantya Aulya Rahma; Wahyu Istiqomah; Nur Rohmah Lufti A'yuni
JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Vol. 9 No. 4 (2024)
Publisher : Department of Agribusiness, Halu Oleo University Jointly with Perhimpunan Ekonomi Pertanian Indonesia - Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/jia.v9i4.1292

Abstract

Unemployment is a severe problem for a country and has quite an enormous impact on the economic sector. The government must devise ways to address Indonesia's growing unemployment rate. The increasing number of unemployed in Indonesia requires the government to devise solutions to overcome this. An alternative that can be done is to increase the number of entrepreneurs by building an entrepreneurial spirit in prospective educated graduates. A survey must determine how interested students are in becoming entrepreneurs, particularly those in the Polbangtan Yogyakarta Magelang Agriculture Department. This will become a benchmark for entrepreneurship education at Polbangtan Yogyakarta Magelang in building entrepreneurial motivation in the campus environment. This study aimed to ascertain how students' interest in agricultural entrepreneurship was influenced by their campus environment and motivation at Polbangtan Yogyakarta Magelang. The research was conducted in October-November 2023 and used quantitative methods. The study's population comprised 132 students in the 2020 class from Polbangtan Yogyakarta Magelang's Department of Agriculture. Simple random sampling was employed to establish the sample, and 57 students who met the criteria using the Slovin formula were included. The method used is Multiple Linear Regression with t-test (partial), F-test (simultaneous), and coefficient of determination. The data analysis tool used SPSS 22.0 for Windows software. Equation Y = 2.351 + 0.500X1 + 0.422X2, with a coefficient of determination of 0.876, was displayed in the computation results. This means that 87.6% of the motivation variables (X1) and campus environment (X2) can show the entrepreneurial interest variable (Y), and other variables explain the remaining 12.4%. In light of the t-test and F-test findings, it was determined that the motivation and campus environment variables each significantly and simultaneously influenced students' interest in entrepreneurship in the agricultural sector.
Model Kemitraan Berkelanjutan pada Usahatani Penangkaran Benih Padi di Desa Blimbing Kecamatan Sambirejo Kabupaten Sragen Faiz Sabila Rosyada; Siti Nurlaela; Sukadi Sukadi; Annisa Wirrdiana Yuniasih
JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Vol. 10 No. 1 (2025)
Publisher : Department of Agribusiness, Halu Oleo University Jointly with Perhimpunan Ekonomi Pertanian Indonesia - Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/jia.v10i1.1502

Abstract

Rice seed is considered one of the important elements in optimizing yields in rice cultivation. The increasing demand for certified rice seeds is one of the factors that facilitated the emergence of rice seed breeding partnerships between farmers and rice seed-producing companies. One of the partnerships to produce certified rice seeds is a partnership between PT Saprotan Benih Utama and the Rukun Tani Sulur Farmer Group. The partnership does not continue because there is no explicit agreement or contract farming between partner farmers and the company. This study aimed to determine the dynamics of partnerships and strategies for building partnerships to determine a sustainable partnership model in rice seed breeding farms. This research was conducted from January to June 2024 in Blimbing Village, Sambirejo District, Sragen Regency, Central Java Province. This research uses descriptive qualitative methods through in-depth interviews, observation, documentation, and focus group discussions. Data analysis uses the Miles and Huberman model, and partnership strategy was identified using SWOT analysis. The informants used in this study were seven people. The results showed that the rice seed breeding partnership dynamics that occurred between the Rukun Tani Sulur Farmer Group and PT Saprotan Benih Utama was in the form of an Agribusiness Operational Cooperation (KOA) pattern. Partner farmers provide land, inputs, and labor, while PT Saprotan Benih Utama provides costs and facilities. The strategy to build partnerships from the research results requires the application of SOPs and assistance to increase productivity and purchase price agreements for farmers. A written cooperation contract is needed to strengthen the partnership between farmers and companies so that both parties know their obligations and rights.
Co-Authors Faiz Sabila Rosyada Hafidz Adnin Al Ghoza Nur Rohmah Lufti A'yuni Ridi Antyaningrum Scantya Aulya Rahma Siti Nurlaela Sukadi Wahyu Istiqomah