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Abe J. and Morita S. eds. 1997. Root system management that leads to
maximize rice yields. JSRR, Tokyo. 49.

Practice of for Young Seedling Transplanting with Rice Transplanter

Transplanting method with rice transplanter is traditional now a days in Korea.

This method need to prepare rice seedling grown at the seedling tray, which is a dimension of 30 cm width, 60 cm length and 2 cm hight. Normally, it takes about 30 to 35 days to prepare seedling for rice transplanter. This long duration for rearing seedling plays to face seedling pest and cold weather which make worse the seedling properties. More over, the long duration takes more care and more cost.

Trial of young seedling (10 day-old) transplanting is one of methods for escaping those dangers. Also, it reduces the cost of rearing seedling. The management duration is shortened about 1/3. The number of seedling trays needed to transplant a unit area is about half compared to traditional 35 days old seedling.

Physiological properties of young seedling also is better than those of traditional. Rooting of young seedling after transplanting is faster than that of traditional older one. Tillering of young seedling starts earlier than that of older seedling.

Disadvantage of young seedling transplanting is that preparation of paddy land should be more even because the plant hight of young seedling is about 10 cm. Shallow water management after transplanting is necessary for young seedling transplanting.

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