Double gains in productivity: Impacts of integrated pest management technology on productions of rice and soybean in Java
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Abstract
This paper examines simultaneous impact of technology on integrated pest management (IPM) in Indonesia. IPM was introduced to farmers via training package called farmers’ field school. Despite the fact that IPM was mostly introduced for rice production, one of expected impacts was a simultaneous improvement in productivity of rice and soybean. This is because farmers growing rice also grew soybean at the same piece of land. In economic analysis, impact of such training can be examined using joint increase in production of rice and soybean, which was shown by increasing on supply response. This study chose Java since rice and soybean are the main crops cultivated intensively. Aggregate panel data consisting of four regions during nine years of implementation of IPM program were used to examine the expected impact. The result showed that the technology has been successfully increased the production of rice and soybean at the same time. This implies that IPM technology introduced in rice was also applicable to soybean.
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