The survey method was used to conduct this study through 180 cow farmers in three Regencies (merangin, Muaro Jambi and West tanjung Jabung) in Jambi Province. Samples of farmer were choised as the Simple Random sampling. Results of this study showed that farmer interest to rare cows within palm oil plantatition area in Jambi Province looked high with the interest value of 82.24% and the motivation of farmer to grow cow was medium with the value of 77.56%. The analysis of multiple linear regression indicated that interest and motivation can be explained together with variable measured (area, the age of oil palm tree, farmer experience, livesock enterprise scale, income, the amount of family member and group activity). The interest and motivation value of farmer to grow cow were 37 and 45.20% respectively. The F test showed that the regression model could be usedto predict interest and motivation of farmer to grow cows as the level of significant of less than 0.05. There was highly significant effect between group activity and motivation and significant effect between age of tree, farmer experience, and group activity with farmer interest and motivation.
Teknologi biogas merupakan bioenergi yang berpotensi mengurangi kerusakan lingkungan. Manfaat teknologi biogas bagi rumah tangga peternak sapi masih ber bentuk deskriptif, sehingga dibutuhkan kajian empiris guna menentukan potensi nilai manfaat ekonomi sebenarnya teknologi biogas. Maka dilakukan penelitian penggunaan metode valuasi ekosistem guna menentukan nilai manfaat teknologi biogas bagi rumah tangga dan potensi nilai ekonomi jika dikembangkan secara luas pada suatu wilayah. Pemilihan rumah tangga sebagai unit analisis menggunakan teknik penarikan contoh acak kelompok bertahap (multistage cluster random sampling) secara sengaja (purposive sampling), pemilihan sentra pengembangan teknologi biogas secara sengaja pada wilayah terpilih dan pemilihan rumah tangga sebagai unit sampling di sentra pengembangan secara acak sederhana (simple random). Alokasi rumah tangga menggunakan pendekatan alokasi proporsional (proportional allocation). Data sekunder bersumber dari instansi terkait dan data primer melalui observasi langsung dengan teknik wawancara dan pengisian kuisioner. Tahun pertama adalah analisis regresi berganda untuk mengetahui faktor yang mempengaruhi adopsi dan aplikasi teknologi dan pendekatan evaluasi ekonomi untuk menentukan besaran nilai manfaat teknologi biogas. Dari hasil penelitian dapat disimpulkan bahwa tingkat adopsi teknologi biogas masih belum menggembirakan yaitu sebesar 53,33% dengan nilai manfaat teknologi biogas sebesar 66,15%.
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