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All Journal JIET (Jurnal Ilmu Ekonomi Terapan) JDE (Journal of Developing Economies) atech-i
Wulan Sari, Dyah
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering

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PENGARUH PEMBERIAN BEBERAPA DOSIS FUNGI MIKORIZA ARBUSKULAR (FMA) TERHADAP PERTUMBUHAN STUM MATA TIDUR KARET (Hevea brasiliensis Mull Arg) ii, YULIATRI; Wulan Sari, Dyah
Atech-i Vol. 1 No. 2 (2024): Tahun 2024
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/atech-i.v1i2.21

Abstract

Tanaman karet (Hevea brasiliensis) merupakan tanaman perkebunan yang bernilai ekonomis tinggi. Tanaman karet juga sebagai komoditi unggulan yang menghasilkan lateks. Untuk meningkatkan produkstivitas karet dan menghasilkan lateks yang berkualitas, petani harus menggunkan klon unggul. Seperti penggunaan stum mata tidur karet (Hevea brasiliensis Muell. Arg). Produktifitas tanaman karet selain menggunakan klon unggul juga dapat memanfaatkan mikroorganisme yang dapat membantu pertumbuhan tanaman karet, seperti Mikoriza. Penambahan Fungi Mikoriza Abuskular (FMA) dapat digunakan untuk membantu penyerapan unsur hara oleh tanaman di pembibitan. Penelitian ini mengenai pengaruh pemberian beberapa dosis fungi mikoriza arbuskular (FMA) terhadap pertumbuhan Stum Mata tidur karet (Hevea brasiliensis Muell Agr). Tujuan penelitian ini yaitu untuk mendapatkan dosis mikoriza yang tepat untuk pertumbuhan stum mata tidur karet. Variabel yang diamati adalah persentase akar terinfeksi FMA, waktu muncul tunas, panjang tunas, diameter tunas dan jumlah daun. Hasil penelitian menunjukan bahwa pemberian dosis 5 gram FMA memiliki derajat infeksi tertinggi yaitu 70%. Pertumbuhan stum mata tidur karet umur 16 MST menunjukkan pertumbuhan yang bervariasi pada semua variabel pengamatan baik tanpa diberi FMA maupun diberi FMA dengan beberapa dosis FMA yang sudah di aplikasikan.
Intertemporal Efficiency and Productivity Changing on Telecommunication Industry (TI) in ASEAN-5 Wulan Sari, Dyah; Sulistyaningsih, Lusi
Journal of Developing Economies Vol. 6 No. 1 (2021)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jde.v6i1.21665

Abstract

The study aims to measure the technical and intertemporal efficiency and find the primary source of productivity change on top three telecommunication firms in each country of ASEAN-5 (Indonesia, Malaysia, Thailand, Philippines, and Singapore) from 2010 to 2016. Data Envelopment Analysis (DEA) bootstrapping with 2000 iterations, DEA window, and Malmquist index are applied to calculate technical efficiency, intertemporal efficiency, and productivity change. The estimation results elucidate that, on average, the technical efficiency of firms is relatively low. On the opposite, the intertemporal efficiency results indicate that the mean efficiency score of each window is high. However, the LDW and LDP tend to be high, showing that the efficiency scores fluctuate. The Malmquist index calculation yields that technological progress possesses a significant contribution to productivity change. Keywords: Technical Efficiency, Intertemporal Efficiency, Productivity Change, Telecommunication Industry, ASEAN-5 JEL: L8, F6, O5, O1, O3
Subjective Well-being Individu dalam Rumah Tangga Di Indonesia Aryogi, Ista; Wulan Sari, Dyah
Jurnal Ilmu Ekonomi Terapan Vol. 1 No. 1 (2016)
Publisher : Department of Economics, Faculty of Economics and Business, Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (662.736 KB) | DOI: 10.20473/jiet.v1i1.1900

Abstract

Well-being is multi-dimensional development goals because well-being can not be seen only from individual income, but also the entire condition such as health and education. Complexities in measuring well-being made economists try to measure the individual well-being with subjective well-being approach. One of subjective well-being's variable is the happiness. This study aims to examine the factors determining the individual happiness in Indonesia. Those factors consist of per capita expenditure, personal assets, and individual characteristics, including yearly working hours, years of schooling, health status, marital status, age, and gender. This study uses logistic and probit regression. Object of this study is the individuals in household based on SUSENAS's representation that was obtained from Indonesia Family Life Survey in 2007. This research found that income is stil being main determinant of individual happiness. Significant results also were found in the variables of schooling, health status, marital status, and u-shaped in age. From these results, increasing income through various sectors of the economy is needed to reach a higher level of well-being. Health and education should also receive support through infrastructure improvements. Thus, there will be more people that are able to improve their well-being. 
Co-Authors Ista Aryogi, Ista Sulistyaningsih, Lusi Wijayanto, Andi Yhudo Yuliatri Yuliatri