Compost application rate (t・ha−1)

Average plant height (cm) at week 1, 3, 6, 9 and 12

1

3

6

9

12

0

12

40a

52a

55a

57a

37

13

38b

50a

58a

59a

56.6

12

35c

58b

62a

65b

74.1

12

46d

65c

86b

93c

l.s.d

1.1

1.53

3.65

5.61

3.25

cv (%)

4.5

1.9

3.3

4.3

2.4

p-value

0.123

<0.001

<0.001

<0.001

<0.001