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All Journal Indonesian Journal of Agricultural Science Economics and Finance in Indonesia
MASDJIDIN SIREGAR
Pusat Penelitian Sosial Ekonomi Pertanian, Bogar. Jl. Jend Ahmad Yani No.70 Bogor
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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ESTIMATING SOYBEAN PRODUCTION EFFICIENCY IN IRRIGATED AREA OF BRANTAS RIVER BASIN Siregar, Masdjidin; ., Sumaryanto
Indonesian Journal of Agricultural Science Vol 4, No 2 (2003): October 2003
Publisher : Indonesian Agency for Agricultural Research and Development - MOA

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Abstract

Soybean has an important role in Indonesian diet, especially as source of protein, fat, mineral, and vitamin. Given the relatively stagnant technology, efficiency improvement at farm level would probably be an appropriate way to increase soybean production in the near future. The objective of this paper was to estimate the technical efficiency of soybean production in irrigated area of Brantas river basin and analyze factors affecting technical inefficiency level. The results indicated that the technical efficiency of soybean production in the sites was around 83%. The analysis, however, failed to identify the determinants of technical inefficiency because none of the parameters in the analysis was significant. Further study is required to identify the determinants such that the target groups of extension can be specifically determined. Since K2O fertilizer significantly affected soybean production while P2O5 and N fertilizers did not, the first step to improve the technical efficiency of soybean production was to provide soybean farmers with recommendation regarding balanced amount of fertilizers. The recommendation, however, should be derived from local verification trial in each site.
Kausalitas antara Ekspor dan PDB di Indonesia, 1971-1997 Siregar, Masdjidin
Economics and Finance in Indonesia Volume 47, Number 3, 1999
Publisher : Institute for Economic and Social Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (28.873 KB) | DOI: 10.47291/efi.v47i3.206

Abstract

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Income and Employment Impacts of Indonesian Agricultural Sectors Siregar, Masdjidin
Economics and Finance in Indonesia Volume 41, Number 4, 1993
Publisher : Institute for Economic and Social Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (28.873 KB) | DOI: 10.47291/efi.v41i4.240

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Economic Impacts of Sugar Mill Sector in Indonesia's Economy Siregar, Masdjidin
Economics and Finance in Indonesia Volume 46, Number 2, 1998
Publisher : Institute for Economic and Social Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (28.873 KB) | DOI: 10.47291/efi.v46i2.181

Abstract

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Co-Authors Sumaryanto .