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Lubis, Zulkarnaian
Universitas Medan Area
Agriculture, Biological Sciences & Forestry

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ANALISIS PERMINTAAN DAN PENAWARAN BERAS DI PROVINSI SUMATERA UTARA Tarigan, Wahidin; Lubis, Zulkarnaian; Zein, Zahari
JURNAL AGRICA Vol 4, No 1 (2011): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (673.225 KB) | DOI: 10.31289/agrica.v4i1.1272

Abstract

This study analyzes the demand and supply of rice , as well as looking at the effect of price and non- price variables on demand, supply of rice in the province of North Sumatra . The results showed that rice production is strongly influenced by the price of rice and fertilizer prices , the rise in the price of rice will memngkatkan number of offers in the future , whereas the increase in the price of fertilizer will reduce the number of betas offer , as a component of fertilizer inputs which are relatively large , while the price of substitute goods does not affect the rice offers . Views and expectations and the price elasticity of both input prices and terms of the demand is inelastic , the price of rice and the price variable substitutes insignificant influence on the demand for rice , the rise and fall of both vaniabel will not cause a change in the number of requests , while income and population positive effect on demand rice , when viewed in rice prices and good elasticity and income are both inelastic. Keyword : demand, supply, and rice
Analisis Faktor-faktor Yang Mempengaruhi Produksi Padi di Kabupaten Langkat Lubis, Junita; Lubis, Zulkarnaian; Lubis, Zulkifli
JURNAL AGRICA Vol 5, No 1 (2012): JURNAL AGRICA
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.346 KB) | DOI: 10.31289/agrica.v5i1.1286

Abstract

Langkat Regency is one of the national rice buffer. The rice needs is increasing every year, as well the population increasing. This study aimed to investigate the effect of the rice production input, land, labor, seed, and fertilizer, on the production of rice in Langkat Regency. Secondary data from 22 districts at Langkat Regency for two years (pooled data) was analyzed to answer the research objectives. The data analyzed with multiple regression by Coob-Douglas production function. The analysis showed that the positively significant impact of variables of land, labor, seed and fertilizer on the rice production. Production elasticity value is 1.671 (elastic). This generally means that rice farming in Langkat Regency in increasing returns to scale. Keywords: production, rice, input, scale, Langkat.
Co-Authors Lubis, Junita Tarigan, Wahidin Zein, Zahari Zulkifli Lubis