Ubi Kayu merupakan bahan pangan yang memiliki nilai ekonomis sehingga dapat dijadikan usaha oleh petani. Penelitian ini bertujuan untuk mengetahui pendapatan dan kelayakan usahatani ubi kayu serta untuk mengetahui seberapa besar faktor produksi bibit, tenaga kerja, pupuk organik, pupuk urea dan pupuk NPK terhadap produksi ubi kayu di Kecamatan Omben Kabupaten Sampang. Penelitian ini dilakukan pada petani di Desa Kamondung dengan menggunakan 80 sampel petani. Data dianalisis dengan metode kuantitatif dan analisis regresi linier berganda. Hasil penelitian menunjukkan bahwa pendapatan petani ubi kayu sebesar Rp. 6.133.937 per hektar per musim tanam dan nilai r/c ratio sebesar 2,32 > 1 yang artinya layak. Dari analisis regresi linier berganda yaitu nilai adj R square sebesar 0,761 yang artinya variabel independen mampu menjelaskan variabel dependen sebesar 76,1%. Pada uji t diketahui variabel tenaga kerja, pupuk urea dan pupuk NPK berpengaruh terhadap produksi ubi sedangkan variabel bibit dan pupuk organik tidak berpengaruh terhadap produksi ubi kayu. Kata Kunci: Ubi Kayu, Pendapatan, R/C Ratio, dan Analisis Regresi Linier Berganda

Cassava (Manihot Esculenta) was mostly used as primary source of food which was valuably economic to be cultivated by agricultural farmers. This study was aimed at finding out income and fairness standard of cultivating cassava as well as finding out how significant factors of fertilizer production, human resources, organic fertilizer, urea fertilizer and NPK fertilizer toward the production of cassava in Kecamatan Omben, Sampang District. This study was primarily practiced toward farmer in Kamondung Villege by employing 80 samples of farmers who performed this cultivating. The data of this study was analyzed by using quantitative research design and multiple linear regressions model. The result of this study showed that the farmers’ income had reached at approximately IDR. 6.133.937 per hectare of each planting season and ratio of r/c value was about 2,32 > 1 which impliedfair. From multiple linear regression model showed the value of adj R square is 0,761, which implied independent variable, was capable in explaining 76,1% of dependent variable. In T experimental practice had been found that human resource variable, urea and NPK fertilizer affected the production of cassava. However, seed variable and organic fertilizer had none of significant impact toward the production of cassava. Keywords: Cassava, Income, R/C Ratio, Multiple Linier Regression Analysis

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