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 | 1990 | 7.50 |
2 | 1989 | 67.50 |
3 | 1988 | 85.00 |
4 | 1987 | 89.74 |
5 | 1986 | 42.54 |
6 | 1985 | 38.42 |
7 | 1984 | 28.95 |
8 | 1983 | 73.68 |
9 | 1982 | 34.67 |
10 | 1981 | 137.47 |
11 | 1980 | 83.75 |
12 | 1979 | 148.17 |
13 | 1978 | 112.13 |
14 | 1977 | 167.47 |
15 | 1976 | 160.85 |
16 | 1975 | 132.68 |
17 | 1974 | 90.16 |
18 | 1973 | 89.95 |
19 | 1972 | 102.02 |
20 | 1971 | 51.91 |
21 | 1970 | 62.84 |
22 | 1969 | 48.91 |
23 | 1968 | 32.61 |
24 | 1967 | 43.24 |
25 | 1966 | 37.84 |
26 | 1965 | 8.04 |
27 | 1964 | 5.36 |
28 | 1963 | 2.66 |
29 | 1962 | 1.33 |
30 | 1961 | 1.32 |