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Analisis Efisiensi dan Daya Saing Komoditas pada Sistem Usahatani Integrasi Jagung-Sapi di Kabupaten Kupang Siviardus Marjaya
Jurnal Ilmu Pertanian Vol 18, No 3 (2015): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Sistem usahatani integrasi jagung-sapi sangat menentukan keberhasilan produk yang bisa bersaing dipasar, sekaligus membuka peluang kesempatan kerja dan memberikan pendapatan bagi petani. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi produksi, pendapatan, efisiensi dan daya saing sistem usahatani integrasi jagung-sapi di Kabupaten Kupang. Model analisis yang digunakan adalah analisis fungsi produksi Stochastic Frontier Cobb-Douglas model Battese and Coelli, 1995 dengan opsi Technical Efficiency Effect Model. Hasil pendugaan fungsi produksi stocastik frontier secara teknis telah efisien, dengan nilai efisiensi teknis rata- rata adalah 0,957 untuk komoditas jagung, dan ternak sapi potong adalah 0,999. Pendugaan fungsi biaya menunjukan bahwa nilai efisiensi biaya (cost efficiency) usahatani integrasi jagung-sapi lebih besar dari satu (CE >1) yakni 1.009 dan 1.268. Artinya penggunaan biaya faktor produksi pada usahatani integrasi jagung-sapi harus dikurangi agar dapat mencapai efisiensi yang optimal. Hasil PAM menunjukan bahwa usahatani integrasi jagung-sapi efisien secara finansial, memiliki keunggulan kompetitif dan dapat memacu pertumbuhan produksi. Sedangkan secara ekonomi atau memiliki keunggulan komparatif.

Performance of Village Unit Co-Operatives in Yogyakarta Special Region: A Data Envelopment Analysis Approach Abi Pratiwa Siregar; Jamhari Jamhari; Lestari Rahayu Waluyati
Jurnal Ilmu Pertanian Vol 1, No 2 (2016): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

This study assessed the performance of 32 village unit co-operatives (KUD) in Yogyakarta Special Region during 2011 to 2012. The efficiency level of the KUD were evaluated by employing the data envelopment analysis and multiple regression analysis using panel data to determine the factors affecting efficiency level. Efficiency analysis was decomposed into three dimensions to explore possible sources of inefficiency. According to Marwa and Aziakpono (2016), the first dimension was technical efficiency, which explored the overall effectiveness of transforming the productive inputs into desired outputs compared to the data-driven frontier of best practice. The second dimension was pure technical efficiency, which captured managerial efficiency in the intermediation process. The third dimension was scale efficiency, which explored whether KUD were operating in an optimal scale of operation or not. The results found that the average scores are 64%, 92%, and 68% for technical, pure technical, and scale efficiency respectively in 2011, while in 2012 the average scores are 57%, 94%, and 60% for technical, pure technical, and scale efficiency. Factors having significantly positive impact on several measures of efficiency are incentive and dummy variables (agriculture inputs and hand tractor). Accounts receivable only has positive relationship to pure technical efficiency. On the other hand, rice milling unit and electricity services have negative impact with several measures of efficiency.

Competitiveness of Tea Exports in Asean: A Constant Market Share Analysis Nadia Oktaviana; Masyhuri Masyhuri; Slamet Hartono
Jurnal Ilmu Pertanian Vol 1, No 2 (2016): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

This study was aimed to find out the competitiveness of tea exports in ASEAN during 2011-2014. Competitiveness indicates a country ability to compete with other countries in international trade activities. Constant Market Share (CMS) employed to understand the weaknesses and strengths of a country viewed from the effect of exports growth. CMS results showed that the major weakness of tea exports in Malaysia, Singapore, Thailand, and Vietnam is the effect of market distribution. Market distribution effect indicated that their exports to countries with a high demand for tea in the world. On the other hand, the strengths of tea exports in Malaysia, Singapore, Thailand, and Vietnam are the effect of world exports growth, commodity composition effect, and the competitiveness effect. Conversely, the major weakness of tea exports in Indonesia is competitiveness effect, while the strengths are the effect of world exports growth and the effect of market distribution.

Correlation of Growth Parameters with Yield of Two Cassava Varieties Amarullah Amarullah; Didik Indradewa; Prapto Yudono; Bambang Hendro Sunarminto
Jurnal Ilmu Pertanian Vol 1, No 3 (2016): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

The correlation of major growth parameters with the yield of cassava in different growth phases was investigated in 2013 and 2014. This experiment was conducted to assess the effect of two cassava varieties and the different growth phases to the yield and yield components. In experiment, the varieties as treatment were arranged in a randomized complete block design (RCBD) with three replications. Two varieties consisted of superior Adira-4 and local varieties Singgah were used. The growth parameters (plant height, stem diameter, leaf number) and yield components (number of tuber, weight per tuber and tuber yield) in early growth phase, maximum vegetative growth phase and charging tuber phase, were observed. Based on the correlation results, the growth parameters and the yield highly affected to the final outcome of cassava tubers at different growth phases. In the early growth phase, occurs high demand to assimilate with the expense of storage root. However, from the maximum vegetative phase, growth parameters began to show a significant positive contribution to the tuber weight. Weight of fresh tuber in both varieties increased at the charging of tubers phase and thereafter (enlarged bulb). The early growth phase and maximum vegetative phase might not generate a significant contribution to the final yield of cassava tuber. Making those two periods were not suitable time for optimum harvesting result, and it still depended on the variety and its allocation.

Analysis of Rice Price Trend and Vertical Integration of Rice Market in Indonesia Asih Kusumaningsih; Jamhari Jamhari; Dwidjono Hadi Darwanto
Jurnal Ilmu Pertanian Vol 1, No 2 (2016): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

The aims of this study were (1) to determine the trend of retail rice price in Indonesia and the price of grain at the farmer level in Indonesia and (2) to identify the vertical integration of the rice market in Indonesia. The monthly data of retail rice price and the price of grain at the farmer level (price of harvested dried grain at the farmer level) in Indonesia during January 2008 - January 2016 were used in this study. The least squares method was applied to determine the trend of prices, while Co-integration Model of Engle-Granger and ECM was used to estimate the vertical integration of Indonesian rice market. The results indicated that both types of prices had an upward trend. In the analysis of the vertical integration of rice market in Indonesia, there was a long-term balance relationship and short-term equilibrium relationship.

Proline Activity and Growth of Oil Palm affected by Aluminium Toxicity and Silica as Ameliorant Annisa Khoiriyah; Eka Tarwaca Susila Putra; Prapto Yudono
Jurnal Ilmu Pertanian Vol 1, No 1 (2016): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

The research aims to investigate the effects of silica (Si) as an ameliorant on the proline compound concentration and the growth response of oil palm exposed to aluminum toxicity. The research was arranged in a complete randomized block design with 8 blocks as replications. The first factor was Al toxicity which consisted of two levels as without and with Al toxicity. Al toxicity treatment was applied by giving 300 ppm of Al concentrate along with watering activity regularly. The second factor was the application of silica which consisted of four levels as 0, 32, 64 g/plant. Proline and growth activities of leaf area, plant height, number of leaves, and dry weight were observed in the research. The data subjected to analysis of variance (ANOVA) at 5% test level. If the result of ANOVA showed significant differences among treatments, then the data would have been analyzed by Duncan’s Multiple Range Test (DMRT) at 5% test level. The results of the research provide information that Al toxicity increases proline compound in the plant tissues and decreases leaf area, plant height, number of leaves, and dry weight of Oil Palm. Applying Si at the level of 64 g/plant could increase proline concentrate and dry weight of oil palm exposed to A1 toxicity. Proline compound in the plant tissues did not have any correlation with the growth of oil palm. Thus, this case indicated that proline was a product and not a plant tolerant mechanism of Al toxicity.

The Influence of Attitude, Subjective Norm, and Perceived Behavioural Control Toward Snack Consumer Behaviour in Halal Labeling in Yogyakarta Ayu Afsari; Any Suryantini; Jangkung Handoyo Mulyo
Jurnal Ilmu Pertanian Vol 2, No 1 (2017): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Halal label was not only related to substances forbidden for a particular religion, but was also associated with many other important things. The talk about halal label issue also meant a talk about health and hygiene. This research aimed to determine the learning level of consumer of the concept of halal-labeled snack; to know how to influence learning, attitudes, subjective norms, perceived behavioural control, and the prices on consumer behaviour of packaged halal-labeled snack, either partially or simultaneously. The effect was determined using a multiple linear regression analysis. Data were collected through compiled structured questionnaires based on certain indicators addressed to 100 respondents. The sampling technique used in this study was a convenience sampling technique, where the sample was selected from members of the population willing to become respondents. The choice of location was determined intentionally (purposive). Attitude scale used was Likert scale, and scale variable used was interval scale. The results showed that the consumer learning level on a basic concept of halal contained in a halal label was very high. This was proven with the results of the interpretation of a score interval, i.e. 88.12%. Consumer behaviour towards snacks in packaging labeled halal simultaneously was influenced by learning, attitudes, subjective norms, perceived behavioural control, and price, while attitude and price influenced partially.

Analysis of The Growth of Oil Palm (Elaeis guineensis Jacq.) Exposed by Aluminum Toxicity and Silica as an Amelioration Satiti Ratnasari; Eka Tarwaca Susila Putra; Didik Indradewa
Jurnal Ilmu Pertanian Vol 2, No 1 (2017): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Aluminum (Al) contained in acidic soil could become an obstacle for plant growth. The Al toxicity could inhibit root growth, water and nutrient absorption. One of the solution to overcome Al toxicity was by applying Silica (Si). The aim of this research was to study the impacts of Al to the growth activity of oil palm and to know the effects of Si to the growth activity of oil palm contaminated by Al. The factorial treatments were arranged in a complete random design with two factors. The first factor was Al toxicity, i.e. with and without Al, while the second factor was the application of Si that consisted of four levels (0, 32, 64, 96 gram per plant). some of variables included leaf area ratio (LAR), leaf area, net assimilation rate (NAR), relative growth ratio (RGR), plant height, and plant dry weight were observed. The result showed that Al toxicity decreased the LAR, leaf area, NAR, RGR, plant height, and plant dry weight. The application of Si 32 gram per plant increased leaf area ratio and was not significantly different from the application of 96 gram Si per plant. However, the application of Si to oil palm contaminated with Al did not affect to relative grow rate, but its application to normal plant would increase the relative growth ratio.

The Export Strategy of PT. Dagsap Endura Eatore Yogyakarta for Entering Asean International Market Khusaini Wijayanto; Dwidjono Hadi Darwanto; Lestari Rahayu Waluyati
Jurnal Ilmu Pertanian Vol 1, No 3 (2016): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

This study aimed to determine the position of PT. Dagsap Endura Eatore Yogyakarta and to formulate the export strategy to enter the international market of ASEAN. The primary and secondary data were used in this study. The SWOT analysis, consisted of four indicators i.e strengths, weakness, opportunities, and threats, was used for analysis data. The results showed that the total of weighting score for force factor of PT. Dagsap Endura Yogyakarta Eatore was 4.45; the vulnerability factor was 4.07; odds factor was 4.70; and threats factor was 4.11. The current PT. Dagsap Endura Eatore Yogyakarta is in quadrant 1 (one) SWOT matrix that supports an aggressive growth policy (Growth Oriented Strategy). Export strategy for PT. Dagsap Endura Eatore Yogyakarta should use the power, so that it can seize the export opportunities to enter the international market of ASEAN.

Consumer Willingness to Pay of Organic Rice and The Factors which Affected in Pontianak Heru Setiyadi; Slamet Hartono; Dwidjono Hadi Darwanto
Jurnal Ilmu Pertanian Vol 1, No 3 (2016): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Organic rice is claimed as one of staples food alternative choice. Consuming organic rice is not only about fulfilling the quality needs but also a part of life style. Organic rice is also available in many modern retails in Pontianak so that it is affordable enough to be consumed by Pontianak’s residents. The aims of study were to analyze Willingness To Pay (WTP) of consumers with Contingent Valuation Method (CVM) and find factors affected consumers WTP value of organic rice . Primary data were collected during March to April 2016 and analyzed by multiple regression. The samples of Pontianak’s residents were used as respondents. The result showed that willingness to pay rate of organic rice in Pontianak was low. The age, price of organic rice, ergonomic packaging, respondent expenditure in month, and non-organic rice price affected WTP with marked positive, while marital status factor had negative marked.

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