Spacing in rice transplanting
○ Wider transplanting : yield
○ Closer transplanting : cost, lodging
○ Depending on soil fertility, season, cropping system
○ Mordern varities like IR8, IR36 : 20×25 cm
○ Peta : tall, leafy, heavy tillering
- Dry season : ps, 25×25 cm
fs, 30×30 cm
- Wet season : ps, 30×30 cm
fs, 35×35 cm
○ Korea : 30×15 cm (22 hills per ㎡), 30×12 cm (28 hills per ㎡)
- Mountain area, late transplanting : 33-39 hills per ㎡
- Mid Mountain area, saline area, east coastal area : 27-33 hills per ㎡
- Double crop with barley : 24-27 hills per ㎡
- Plain area : 21-26 hills per ㎡
- Double crop with vegetable : 26-29 hills per ㎡
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