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| Titel: |
Analysis of Rice Yield Differences for Inland and Coastal Regions in South Korea |
| Auteur: |
Jonghan Ko Dong Ha Cho Jin Kwan Ham Youn Su Lee Byun Woo Lee |
| Verschenen in: |
Journal of agronomy |
| Paginering: | Jaargang 4 (2005) nr. 3 pagina's 248-253 |
| Jaar: |
2005 |
| Inhoud: |
Rice production improvement could be obtained with continuous efforts to overcome meteorological factors affecting crop growth. Meteorological factors and rice yield components were compared between inland (Chuncheon city) and coastal (Kangreung city) regions to illustrate the causes of the rice yield decrease in the coastal region. During the rice growing period from 1 May to 15 October, the difference in daily average air temperature between the two regions was not noticeable. However, diurnal range of temperature and solar radiation were higher at Chuncheon than at Kangreung. Average wind velocity was higher at Kangreung. Rice yield components, grains per panicle was lower by 16.7 and ripening ratio was lower by 4.9% at Kangreung. Thus, rice yield was lower at Kangreung (4,392 kg ha<sup>-1</sup>) by 655 kg ha<sup>-1</sup> than at Chuncheon (5,047 kg ha<sup>-1</sup>). The correlation analyses revealed that the lower rice yield at Kangreung could be attributable mainly to lower diurnal range of air temperature and solar radiation during panicle development and ripening stages which cause the lower number of grains per panicle and the lower grain ripening. The results could provide rice researchers and farmers information about required cultivar characteristics to overcome the meteorological conditions in coastal regions. |
| Uitgever: |
Asian Network for Scientific Information, Pakistan |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 38 gevonden artikelen
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