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http://dx.doi.org/10.11625/KJOA.2013.21.3.403

Midsummer Drainage Effects on Rice Growth and Golden Apple Snails in Environment-friendly Rice Cultivation  

Hwang, Ki-Cheol (전북대학교 농업생명과학대학 작물생명과학과)
Ahn, Seok-Hyun (전북대학교 농업생명과학대학 작물생명과학과)
Chung, Nam-Jin (전북대학교 농업생명과학대학 작물생명과학과)
Publication Information
Korean Journal of Organic Agriculture / v.21, no.3, 2013 , pp. 403-411 More about this Journal
Abstract
This study was performed to examine whether it is possible to promote rice growth by midsummer drainage without damage of golden apple snails in environment-friendly rice farming. The effect of drainage on the life of snails was examined in a greenhouse before the filed experiment. Spats (young shells) of snails survived 100% at 12 days after drainage, and 93.3% at 15 days after drainage. The midsized shells survived 100% at 9 days, 93.3% at 12 days, and 86.6% at 15 days after drainage. In the field experiment, 10-days drainage did not affect the snail population and there was no significant difference of weeding activity of snails between the midsummer drainage treatment and the continuous submerged treatment. The plant height and the effective tiller number in the midsummer drainage treatment were higher than those of the continuous submerged treatment. The rice yield of midsummer drainage plot was 511kg/10a, which was 66kg/10a higher than 445kg/10a of continuous submerged plot. In conclusion, midsummer drainage could increase rice growth and yield without damage of golden apple snails in the environment-friendly rice farming.
Keywords
rice; environment-friendly farming; midsummer drainage; golden apple snail;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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