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Publication Date
1977
Description
The author describes the characteristic points of climate and geographical conditions compared with Western Europe, and introduces the vegetation and grass production in Japan. As the temperature goes up over 25 °C during about 45 days in summertime and it is pretty wet during that period, too many varieties of grasses; including many weeds, are growing up. Winter conditions in Japan are severe and cold, it is comparatively dry. Therefore we have successions of winter grass and summer grass. In such circumstances, the climax is forest, and Japan took her way of rice cropping in summertime instead of stock farming as in Europe. The author chose the way of utilizing tetraploid Italian ryegrass mixed with Ladino clover as winter grass and Sudan grass or new sorgo as summer grass, and by the method of surface sowing this approach was successful in the paddy field when it was not flooded with water. By this method, grass yields of 15-16 tons per 10 a. were obtained, but this amount was so big then even for the specialists, they could not believe it till recent time.
Citation
Isamu Kawase, T, "Surface sowing of grass seeds in the paddy fields in Japan" (1977). IGC Proceedings (1977-2023). 22.
(URL: https://uknowledge.uky.edu/igc/1977/sess6/22)
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Surface sowing of grass seeds in the paddy fields in Japan
The author describes the characteristic points of climate and geographical conditions compared with Western Europe, and introduces the vegetation and grass production in Japan. As the temperature goes up over 25 °C during about 45 days in summertime and it is pretty wet during that period, too many varieties of grasses; including many weeds, are growing up. Winter conditions in Japan are severe and cold, it is comparatively dry. Therefore we have successions of winter grass and summer grass. In such circumstances, the climax is forest, and Japan took her way of rice cropping in summertime instead of stock farming as in Europe. The author chose the way of utilizing tetraploid Italian ryegrass mixed with Ladino clover as winter grass and Sudan grass or new sorgo as summer grass, and by the method of surface sowing this approach was successful in the paddy field when it was not flooded with water. By this method, grass yields of 15-16 tons per 10 a. were obtained, but this amount was so big then even for the specialists, they could not believe it till recent time.
