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Rikawanto Eko Muljawan

PS. Agribisnis, Fak. Pertanian, Universitas Tribhuwana Tunggadewi

Author-ID : 3706835

Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics

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FAKTOR-FAKTOR YANG MEMPENGARUHI HARGA BERAS DI JAWA TIMUR Rikawanto Eko Muljawan; Robertus Belarminus Alibaba
BUANA SAINS Vol 9, No 2 (2009)
Publisher : Universitas Tribhuwana Tunggadewi

Rice strategic position had been important issue since 1998 until 2007. There has been an increasing of rice price, even thought it was slow but sure, at February 2007, which rice price, became the highest price since ever, Rp 6000/kg for medium quality. That increasing of the price are affected by the lack of rice stock in the market in consequence of low rice supply from farmers corresponding to natural disasters and seasonal diversity in some rice production centrals, included East Java province. The production decreasing has an effect on output price became high in proportion to fixed demand. This situation turned out to be worse with the country condition has not been recovered from economic crisis, hence buying power of people turned into low. However, others have not substituted the dependence of the public toward rice at the level of rice as Indonesians’ staple food. This research aims to learn factors influenced rice price in Surabaya city, Malang Region and Sidoarjo Region. The research utilized secondary data during five years since 2002 until 2006 with using linier regression analysis method. Research result shows factors influenced rice price in Surabaya are corn price, cassava price, flour price, and inflation rate; while factors influenced rice price in Malang and corn price, cassava price , and flour price

KAJIAN EKONOMI USAHATANI KUBIS DI KECAMATAN SUKAPURA KABUPATEN PROBOLINGGO Ana Arifatus Sa’diyah; Rikawanto Eko Muljawan
BUANA SAINS Vol 11, No 2 (2011)
Publisher : Universitas Tribhuwana Tunggadewi

Probolinggo Regency especially Sukapura is one of cabage production center area since this area is very suitable for cabage plants. Some problems are always faced by the farmers in that area was restrictiveness of capital such as wide of land, seeds, fertilizer, medicines, and employees. This research aimed to find out the productivity of cabage, factors affecting cabage production, income of farmer business entity of cabage, and efficiency of product ion cost at farmer business entity of cabage. The research method used was descriptive and correlation method, by determining the area purposively (purposive method). The method used to take the example was Disproportionate Stratified Random Sampling Method by stratum of area’s height. The data collection was done by using primary and secondary data. The data analysis used covered: (1) analysis of productivity index to know the productivity of cabage, (2) analysis of production function of Cobb-Douglas to know the factors affecting the cabage productivity, (3) analysis of income to know the profit of cabage farmers, and (4) analysis of R/C ratio to know the efficiency of production cost at farmer business entity of cabage. The research result done showed that: (1) the cabage productivity was 31,500 kg/ha; (2) the cabage productivity was affected by the wide of land, seeds, fertilizer, medicines, employees, and height of location, (3) the farmer business entity of cabage was profitable, and (4) the use of production cost at farmer business entity of cabage was efficient (R/C = 2,33)

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