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All Journal Indonesian Journal of Geography AGRIPITA: Jurnal Agribisnis dan Pembangunan Pertanian Journal of Tropical Soils
Rika Harini
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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Journal : Indonesian Journal of Geography

 1 
The dominant factors affecting agricultural land use (rice field) change in Yogyakarta Special Province Hadi Sabari Yunus; Rika Harini
Indonesian Journal of Geography Vol 37, No 1 (2005): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.2217

Abstract

The research was conducted in Yogyakarta Special Province. The main objective of this research is to find out the main factors influencing the change in agricultural land use especially rice field. The data used in this research is time series from 1980 to 2000. They were obtainedfrom several institutions such as: Central Bureau of Statistics (BPS), National Agency of Land Affairs (BPN) and Department ofAgriculture (Dinas Pertanian). Descriptive analysis and statistical test were performed against those data to find out the influence of geographic factors i.e. the population growth, the road development and the extension of built up area on the change in agricultural land use especially rice field. Distributed lag model is used to analyze the effect of road's length on agricultural land use change. The level and magnitude of relationship between areas of agricultural land use change and built up area, number of people and road length are calculated using linear regression.The research shows that the period of 1980 - 2000 in Yogyakarta Special Province has indicated very significantly the increase in population, the development of road and the extension of built up area. For the time being, agricultural land mainly in Sleman Regency, Bantul Regency and Yogyakarta Municipality has decreased. Sleman regency performed the largest decrease of rice field and followed after then by Bantul regency and Yogyakarta Municipality. The regency of Kulon Progo and Gunung Kidul have experienced reverse phenomenon i.e. the increase of rice field during this period. Individually or simultaneously, three variables used in this research (number of people, road's length and built up area) have significantly influenced the agricultural land use.
AGRICULTURAL LAND CONVERSION: DETERMINANTS AND IMPACT FOR FOOD SUFFICIENCY IN SLEMAN REGENCY Rika Harini; Hadi Sabari Yunus; Kasto .; Slamet Hartono
Indonesian Journal of Geography Vol 44, No 2 (2012): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.2394

Abstract

The research was conducted in Sleman Regency with 3 study area based on the extent ofagricultural land conversion. The purpose of this research is to examine the determinants ofagricultural conversion internally and externally, as well as the impact on the availability offood, especially rice. The research was conducted by survey method and statistical analysisregression Ordinary Least Square. The resultsof this research showed that the internalfactors which significantly affect land conversion is the price of land and land location in allareas of study. External factors have significantly positive are variable population, landconversion rules and land location, while the variable GDP in the agricultural sectornegatively. Availability of rice in Sleman Regenct zone 1 indicates the region from 1983 to2025 for the population minus the rice sufficiency. In zone 2 region between 1983 and 2005but it is still a surplus between 2006 and 2025 minus. In the area of zone 3 is projectedthrough 2025 the availability of rice is sufficient
Co-Authors Bowo Susilo Cicik Oktasari Handayani Edi Martono Hadi Sabari Yunus Kasto . Slamet Hartono