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1 20122012 20122012.

2 2 5 / / 280290300310 - 3

3 / 500ppm 250L/a 37 64 59 22 2 30 C 25 C C C 500ppm 250L/a 4 80 80 16 8 15 C 10 C 50 4 12~4 12 6 /10a /10a 300040005000600070008121620 12~4 25cm55cm13cm0100020003000048

4 10 C C 20 21 10 C C /10a /10a /10a 20 21 20 12 19 21 3 2 19 7 C /10a /10a /10a C C 70 /L 70 /L 5 14 4m 1 10 10 2m 0200400 0 102030 /h 6

5 ( /ha) (t/ha) ( ) ( /ha) ( ) 220 3 1 480 1,600 /ha 15 7 20112011 2

6 100% 100% 25% 75% 50% 50% 75% 25% 0123 61 61 0 1 2 3 4 5 17 20 02040 (%) 61 10 10 8 9 10 11 12 1 2 3 10 ( )

7 , 25ppm 2,000 708090100110120 100 ( ) ( ) 100110120 (%) 4 100 3470 8 5060 4 4 901 2 3 4 4 20102010

8 12 24 (%)100 100 UV-B 806040 806040 (UV B) 280 315nm 0 0 9 10

9 Cl 100mg/100g Cl 50mg/100g 11 18