Investigation of the salty wind damage on rice [Oryza sativa] and soybean [Glycine max] caused by Typhoon 15, 16, and 18 on coastal region of Yuri and Akita districts of Akita prefecture in 2004
2006
Sato, Y.(Akita-ken. Agricultural Experiment Station (Japan)) | Shindo, H. | Kobayashi, H. | Kakizaki, H. | Suda, K. | Sato, K. | Shibata, T. | Kudoh, Y. | Haga, H. | Kon, K. | Miyakawa, H. | Fukuda, M.
Severe salty wind damages on rice and soybean by typhoon 15 were observed at the south coast area to Oga peninsula in Akita in 2004. Salty damages occurred by the gust wind coming from southwest and less rainfall after the passage of typhoon. Damages such as whitened panicle and injured flag leaves in rice, pods falling and injured leaves in soybean were observed around the area within 20km distance from seashore. Rice yield and high grade ratio of inspection decreased greatly. Also soybean yield and a hundred grain weight decreased remarkably. It is considered that these damages became severe and spread widely because typhoon 15 hit there during early ripening stage in rice and just after flowering stage in soybean. Crop growth in next year may not be affect by incorporation of damaged rice residue, however it is necessary to consider the nitrogen content of damaged soybean plants when they were not harvested.
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