This study experimentally attempted to verify the effectiveness of product development based prototyping in agricultural management related to the sixth industrialization. Verification results revealed that the following two main aspects are vital when utilizing product development based prototyping. First, (1) product planning, (2) internal evaluation, (3) external evaluation, (4) sales testing showed to be effective tools. In addition, various basic information can be obtained if a simple survey on internal and external evaluation is conducted. Second, in order to be succeed in product development in the sixth industrialization, carrying out of sales testing of prototypes and immediate feedback on evaluation results to parties involved both at an early stage is a vital during prototyping. From these facts, it is possible that the systematic prototyping shown in this paper can be expected to make use of it in improving the earnings at the start-up in the sixth industrialization.

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