Prospects for multifunctionality of paddy rice cultivation in Japan and other countries in monsoon Asia |
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| Authors: | Y Matsuno K Nakamura T Masumoto H Matsui T Kato Y Sato |
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| Institution: | (1) Kinki University, 3327-204 Nakamachi, Nara City Nara, 631-8505, Japan;(2) Kyoto University, Kitashirakawa Oiwake-Cho, Sakyo-Ku Kyoto, 606-8502, Japan;(3) National Institute for Rural Engineering, 2-1-6 Kannondai, Tsukuba-shi Ibaraki, 305-8609, Japan;(4) Utsunomiya University, 350 Minemachi, Utsunomiya 321-8505, Japan;(5) Ibaraki University, Chuo 3-21-1, Ami-machi, Inashiki-gun Ibaraki, 300-0393, Japan;(6) National Institute for Agro-Environmental Sciences, 3-1-3 Kannondai, Tsukuba 305-8604, Japan |
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| Abstract: | This paper presents a study carried out by a group of Japanese researchers to critically review past researches and discussions on the multifunctionality of paddy rice cultivation, with the aim of describing the current status of the subject and providing options and potentials for future research and practices. The review was of over 200 documented articles on the major external functions. The results of this study revealed that the importance of multifunctionality is well perceived in Japan. The methodologies to measure and estimate the magnitude have been established for most functions. However, there is a need for more cases, to integrate all the functions at the local or regional scale to represent site-specific characteristics of multifunctionality. There is also a need to develop management practices to sustain and enhance the positive multifunctionality of paddy rice cultivation while minimizing negative effects to the environment, which may be brought into the agricultural policies. Except for Korea, Taiwan, and Japan, there are slightly different notions on multifunctionality in other monsoon Asia countries, but the gap in this notion is reducing following recent international activities. |
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| Keywords: | Major external functions Methodologies Site-specific characteristics Management practices Environment |
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