197 Pengaruh Perubahan Penggunaan Lahan Pertanian Terhadap Keuntungan Usaha Tani di Kecamatan Polanharjo (Kasus Perubahan Penggunaan Lahan Sawah Padi-Budidaya Perikanan di Desa Janti dan Desa Ponggok) Fajar Widya Darma fajar.darma@ymail.com Su Ritohardoyo ritohardoyo@ymail.com Abstract Land use change is the result of the appeal or the opportunities of the land to the farmers in order to increase income that support farming for profit. The study was conducted to determine the pattern of land use change in the Ponggok village and Janti village, knowing the difference aquaculture development in the Ponggok village and the Janti village, determine the effect of land use change the benefits of farming and agricultural development policy implications assembles the District Polanharjo. The results showed that the major land use changes is agricultural land converted to agricultural use another form of the wetland into fish ponds. T test results indicate there are differences in the value of the average real Ponggok village and Janti village at fisheries development consisting of production variables, number of seeds, and farm income. This is because large capital inputs provide greater acceptance as well. Janti Village aquaculture more viable than in the Ponggok village based on the calculation of the R/C ratio> 0, NPV> 0, IRR> 15%. Net B / C> 0. Direction of regional development based on balanced ecological and socio economic values in District Polanharjo Keywords: land use changes, development, wetland, aquacultures, farming profits. Abstrak Perubahan penggunaan lahan merupakan akibat dari daya tarik yang timbul dari pengusahaan suatu lahan untuk meningkatkan pendapatan untuk memperoleh keuntungan. Penelitian ini dilakukan untuk mengetahui pola perubahan penggunaan lahan di Desa Ponggok dan Desa Janti, mengetahui perbedaan perkembangan budidaya ikan di Desa Janti dan Desa Ponggok, mengetahui pengaruh perubahan penggunaan lahan terhadap keuntungan usaha tani, dan menyusun implikasi kebijakan pengembangan pertanian wilayah Kecamatan Polanharjo. Hasil penelitian menunjukkan bahwa perubahan penggunaan lahan paling besar di daerah penelitian adalah lahan yaitu sawah padi menjadi kolam ikan. Hasil uji nilai t menunjukkan terdapat perbedaan rata-rata yang nyata di Desa Ponggok dan Desa Janti usaha perikanan. Keuntungan usaha tani budidaya perikanan lebih besar dibanding budidaya sawah padi didasarkan pada perhitungan R/C Ratio>0, NPV>0, IRR>15%. Net B/C>0. Arahan pengembangan wilayah didasarkan pada keseimbangan nilai ekologis dan sosial ekonomi di Kecamatan Polanharjo. Kata kunci: perubahan penggunaan lahan, sawah padi, kolam ikan keuntungan usaha tani. brought to you by CORE View metadata, citation and similar papers at core.ac.uk provided by Jurnal Bumi Indonesia