序号 | 时间(年) | 单位:百克/公顷 |
---|---|---|
注:时间后面标注“E”其对应的值为系统根据历史数据预测所得,仅供参考。 | ||
1 | 2002 | 4.78 |
2 | 2001 | 4.78 |
3 | 2000 | 4.79 |
4 | 1999 | 4.79 |
5 | 1998 | 4.79 |
6 | 1997 | 4.79 |
7 | 1996 | 4.81 |
8 | 1990 | 26.42 |
9 | 1989 | 26.44 |
10 | 1988 | 21.55 |
11 | 1987 | 36.35 |
12 | 1986 | 16.96 |
13 | 1985 | 5.95 |
14 | 1984 | 38.45 |
15 | 1983 | 24.02 |
16 | 1982 | 10.06 |
17 | 1981 | 13.14 |
18 | 1980 | 12.20 |
19 | 1979 | 1.02 |
20 | 1978 | 2.05 |
21 | 1977 | 1.03 |
22 | 1975 | 37.92 |
23 | 1974 | 30.37 |
24 | 1973 | 29.44 |
25 | 1972 | 38.05 |
26 | 1971 | 38.26 |
27 | 1970 | 27.78 |
28 | 1969 | 37.59 |
29 | 1968 | 22.68 |
30 | 1967 | 21.72 |
31 | 1966 | 12.01 |
32 | 1965 | 16.47 |
33 | 1964 | 11.04 |
34 | 1963 | 5.55 |
35 | 1962 | 5.58 |
36 | 1961 | 5.61 |