|
| 年份 |
单产产量 |
总产量（万吨） |
播种面积 |
| 千克/公顷 |
千克/亩 |
千公顷 |
万亩 |
| 1949 |
714
|
48
|
|
1
|
1.5
|
| 1950 |
714
|
48
|
|
1
|
1.5
|
| 1951 |
714
|
48
|
|
1
|
1.5
|
| 1952 |
690
|
46
|
|
1
|
1.5
|
| 1953 |
615
|
41
|
|
1
|
1.5
|
| 1954 |
450
|
30
|
|
7
|
10.5
|
| 1955 |
|
|
|
|
|
| 1956 |
645
|
43
|
|
5
|
7.5
|
| 1957 |
435
|
29
|
|
6
|
9
|
| 1958 |
345
|
23
|
|
6
|
9
|
| 1959 |
167
|
11
|
|
24
|
36
|
| 1960 |
6000
|
400
|
0.4
|
|
|
| 1961 |
683
|
46
|
|
4
|
6
|
| 1962 |
540
|
36
|
1
|
4
|
6
|
| 1963 |
|
|
|
|
0
|
| 1964 |
570
|
38
|
1
|
7
|
10.5
|
| 1965 |
570
|
38
|
1
|
7
|
10.5
|
| 1966 |
429
|
29
|
|
5
|
7.5
|
| 1967 |
306
|
20
|
|
3
|
4.5
|
| 1968 |
340.5
|
23
|
0.1
|
3
|
4.5
|
| 1969 |
600
|
40
|
|
3
|
4.5
|
| 1970 |
|
|
|
|
|
| 1971 |
1740
|
116
|
0.5
|
3
|
4.5
|
| 1972 |
60
|
4
|
0.5
|
4
|
6
|
| 1973 |
765
|
51
|
|
3
|
4.5
|
| 1974 |
645
|
43
|
|
3
|
4.5
|
| 1975 |
705
|
47
|
|
4
|
6
|
| 1976 |
450
|
30
|
|
3
|
4.5
|
| 1977 |
600
|
40
|
|
3
|
4.5
|
| 1978 |
480
|
32
|
|
3
|
4.5
|
| 1979 |
698
|
47
|
0.2
|
2.2
|
3.3
|
| 1980 |
660
|
44
|
0.1
|
1.6
|
2.4
|
| 1981 |
780
|
52
|
0.1
|
1.6
|
2.4
|
| 1982 |
885
|
59
|
0.1
|
1.5
|
2.3
|
| 1983 |
878
|
59
|
0.1
|
1.1
|
1.7
|
| 1984 |
1028
|
69
|
0.2
|
1.6
|
2.4
|
| 1985 |
1230
|
82
|
0.2
|
1.5
|
2.3
|
| 1986 |
1200
|
80
|
0.4
|
3.4
|
5.1
|
| 1987 |
1530
|
102
|
2.2
|
14.5
|
21.8
|
| 1988 |
1605
|
107
|
2.2
|
13.7
|
20.6
|
| 1989 |
1815
|
121
|
3.4
|
18.8
|
28.2
|
| 1990 |
1695
|
113
|
3.3
|
19.5
|
29.3
|
| 1991 |
1545
|
103
|
3
|
19.5
|
29.3
|
| 1992 |
1853
|
124
|
4.3
|
23.2
|
34.8
|
| 1993 |
2106
|
140
|
5.9
|
28.1
|
42.2
|
| 1994 |
2170
|
145
|
6.1
|
28.1
|
42.2
|
| 1995 |
2331
|
155
|
6.9
|
29.6
|
44.4
|
| 1996 |
2531
|
169
|
8
|
31.6
|
47.4
|
| 1997 |
2752
|
183
|
9
|
32.7
|
49.1
|
| 1998 |
2788
|
186
|
9.9
|
35.5
|
53.3
|
| 1999 |
2997
|
200
|
11
|
36.7
|
55.1
|
| 2000 |
3016
|
201
|
11.1
|
36.8
|
55.2
|
| 2001 |
3051
|
203
|
10.8
|
35.4
|
53.1
|
| 2002 |
3093
|
206
|
11
|
36
|
54
|
|