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All Journal Jurnal Social Economic of Agriculture Jurnal Kridatama Sains dan Teknologi Agro Bali: Agricultural Journal
Ginting, Nelva Meyriani
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Aplikasi Larutan Hara dan Zat Pengatur Tumbuh terhadap Pertumbuhan Tanaman Pakcoy dengan Sistem Hidroponik Sinaga, Reflianta Br; Ginting, Nelva Meyriani; Budiman, Indra; Lase, Agustinus
Jurnal Kridatama Sains dan Teknologi Vol 6 No 02 (2024): JURNAL KRIDATAMA SAINS DAN TEKNOLOGI
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/kst.v6i02.1430

Abstract

Pakcoy is a type of plant that belongs to the mustard family with the Latin name Brassica rapa L. Pakcoy plants can be cultivated with hydroponic technique, which is a plant cultivation technique without soil media. Hydroponics is one of the solutions in overcoming the limited land in urban areas. This study aims to analyze the effect of nutrient solution concentration and the provision of growth regulators on the growth and production of pakcoy plants using the hydroponic method. The research was conducted in a completely randomized design (CRD) involving two factors. The first factor was the concentration of nutrient solution (N) with two levels: N1 = 700 ppm, 900 ppm, and N2 = 1,000 ppm, 1,200 ppm. The second factor is growth regulator (H) consisting of five levels: H0 = Control (no hormone), H1 = 1 ml/l water, H2 = 2 ml/l water, H3 = 3 ml/l water, and H4 = 4 ml/l water. Parameters observed included plant height, number of leaves, and wet weight. The results showed that the concentration of nutrient solution had a significant effect on the number of leaves and wet weight, but not significant on plant height. Meanwhile, the application of growth regulators also had a significant impact on the number of leaves and wet weight, but had no significant effect on pakcoy plant height. In general, increasing the concentration of nutrient solution and dosage of growth regulators increased the growth of pakcoy plants
Analisis Volatilitas, Integrasi Pasar Dan Transmisi Harga Cabai Merah Di Provinsi Sumatera Utara, Indonesia Ginting, Nelva Meyriani; Lubis, Anita Rizky; Zendrato, Melvin
Agro Bali : Agricultural Journal Vol 6, No 3 (2023)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v6i3.1519

Abstract

Cabai merah merupakan komoditas ekonomi tinggi dan strategis di Sumatera Utara. Fluktuasi harga yang tinggi menimbulkan kerugian bagi produsen dan konsumen karena perubahan harga yang cepat, sehingga diperlukan arus informasi yang cepat. Adanya selisih harga yang besar antara harga cabai merah produsen dan harga konsumen menunjukkan bahwa volatilitas harga cabai merah disebabkan perbedaan biaya distribusi. Tujuan dari penelitian ini adalah menganalisis volatilitas harga cabai merah, menganalisis integrasi pasar cabai merah dan menganalisis transmisi harga cabai merah. Metode analisis yang digunakan dalam penelitian ini menggunakan metode ARCH/GARCH untuk menganalisis volatilitas harga cabai merah, metode VECM (Vector Error Correction Model) untuk menganalisis integrasi pasar cabai merah, dan AECM (Asymmetric Error Correction Model) untuk menganalisis transmisi harga cabai merah di Provinsi Sumatera Utara. Hasil Penelitian menunjukkan harga produsen dan konsumen rendah karena volatilitas harga produsen dan konsumen rendah. Dalam jangka pendek, ada beberapa tingkat harga pasar yang tidak terintegrasi, tetapi dalam jangka panjang terjadi integrasi antara pasar produsen dan grosir. Harga produsen cabai merah ditransmisikan langsung ke harga konsumen cabai merah di Provinsi Sumatera Utara dalam jangka panjang. Di sisi lain, harga grosir dan konsumen cabai merah ditransmisikan langsung ke harga produsen dalam jangka pendek.
Dinamika Integrasi Pasar Volatilitas Harga dan Efektivitas Kebijakan Pemerintah dalam Stabilisasi Harga Beras di Sumatera Utara Ginting, Nelva Meyriani; Sinaga, Anggiat; Gea, Sary
Jurnal Social Economic of Agriculture Vol 14, No 2 (2025): December
Publisher : Agribusiness Department, Agriculture Faculty, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jsea.v14i2.100747

Abstract

Rice is a strategic commodity in North Sumatra, but its price volatility has the potential to hamper economic growth, disrupt poverty alleviation programmes, and reduce food stability. High rice prices indicate that government policies are not yet optimal, so price stabilisation is needed to ensure the availability and affordability of rice and support better distribution from producers to consumers. The purpose of this study is to analyse market integration, rice price volatility, rice price transmission, and government food policies for rice price stability in North Sumatra Province. The analysis methods used in this study are the Vector Error Correction Model (VECM) to analyse rice market integration, the ARCH/GARCH method to analyse rice price volatility, and the AECM (Asymmetric Error Correction Model) to analyse rice price transmission, and the Structural Equation Modelling (SEM) method to analyse government food policies for rice price stability in North Sumatra Province. The results of the study show that the rice market in North Sumatra is integrated in the long term, but remains weak in the short term with asymmetric price transmission. High price volatility occurs at the producer level, while it is relatively low at the consumer level due to government intervention. Government policies improve farmers' welfare but have a negative impact on price stability. Therefore, rice price stabilisation needs to focus on increasing productivity and improving food distribution to be sustainable and fair for consumers and farmers. Keywords: market, policy, price transmission, rice, volatility
Co-Authors Gea, Sary Indra Budiman Lase, Agustinus Lubis, Anita Rizky Sinaga, Anggiat Sinaga, Reflianta Br Zendrato, Melvin