Studies on safe production of paddy rice at the north - western coastal area in Chungnam province
1986
Lee, J.Y. | Oh, S.H. | Han, G.H. | Kim, C.Y. | Kim, S.Y. | Chun, Y.H. (Chungnam Provincial Rural Development Administration, Taejon (Korea R.)) | Ahn, S.B. (Chungnam National Univ., Taejon (Korea R.))
In Chungnam province, the north - western coastal area was more injurious than inland centering around Taejon in injury of disease, pest and weather damage, and decrease of rice yield. This experiment was conducted from 1982 to 1984 in order to know the problems and the high yielding factors in rice culture. The effect of meteorological environment was 13-14 % and that of soil condition was 2-3 % on rice yield decrease in Seosan area. In Seosan area, not only the average temperature and difference of diurnal temperature variation were lower but also the heading was delayed 3-8 days by deficiency of sunshine hours than that of inland (Daejeon). Hence, rice has to be planted 10 days earlyer to heading before safe limit heading date
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