Abstract
Banjarnegara Regency has the highest potato productivity in Central Java Province. However, not all sub-districts in Banjarnegara produce potatoes, there are only four from 20 Sub-districts. One of them is Batur sub-district. This study chose Batur sub-district because it is the largest producer of potatoes from three Sub-districts in Banjarnegara. Unfortunately, the huge amount of production did not affect the fluctuation which tended to decrease. Through this problems, this study aimed to determine the determinant of production and income analysis of potato farming in Batur sub-district. The sample of this study were 97 people in Batur sub-district selected from calculation by using the Slovin formula. Then, the variables of this study were land area (X1), labor (X2), fertilizer (X3), pesticides (X4) and production yields (Y). To collect the data, this study used questionnaires, interviews and documentation. The data were analyzed by using multiple regression analysis and R / C ratio analysis. The results showed that the variables of land area, fertilizer, and pesticides had positive and significant influence on potato production. Meanwhile, the labor variable was insignificant by having the return to scale value of 0.89. Further, the average income of potato farming was Rp 7,099,612 / planting season with R / C ratio of 1.77. Shortly, potato farming in Batur sub-district is profitable to continue.
Highlights
Indonesia is an agrarian country in which the majority of the population works as farmers, both as landowners and sharecroppers
Agriculture sector has an important role. It can be seen from the Gross Domestic Product (GDP) data of the Central Bureau of Statistics of Republic of Indonesia
It meant that land area, number of labor, amount of fertilizer and pesticides influenced the number of potato production of 86.53%
Summary
Indonesia is an agrarian country in which the majority of the population works as farmers, both as landowners and sharecroppers. It can be seen from the Gross Domestic Product (GDP) data of the Central Bureau of Statistics of Republic of Indonesia. It reveals that the GDP of the agricultural sector in 2017 was Rp. 1,256,894.30 (Trillions of Rupiah). This sector was in the third rank after the processing and trade industries. Along with the development of theories about human capital, it can be seen that education plays an important role in determining the quality of the workforce and will affect the income and productivity (Nihayah, 2010), especially in terms of employment
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