|
| 年份 |
播种面积 |
总产量（万吨） |
单产产量 |
| 万亩 |
千公顷 |
千克/亩 |
千克/公顷 |
| 1949 |
18
|
12.0
|
2.3
|
127.8
|
1917
|
| 1950 |
18
|
12.0
|
4
|
216.7
|
3251
|
| 1951 |
18
|
12.0
|
4
|
200
|
3000
|
| 1952 |
18
|
12.0
|
3.5
|
184
|
2760
|
| 1953 |
1
|
0.7
|
|
136
|
2040
|
| 1954 |
0.8
|
0.5
|
|
138
|
2070
|
| 1955 |
0.7
|
0.5
|
|
175
|
2625
|
| 1956 |
0.6
|
0.4
|
|
158
|
2370
|
| 1957 |
1
|
0.7
|
2
|
147
|
2205
|
| 1958 |
12
|
8.0
|
4
|
277.8
|
4167
|
| 1959 |
9
|
6.0
|
2
|
179.1
|
2687
|
| 1960 |
9
|
6.0
|
3
|
273.7
|
4106
|
| 1961 |
12
|
8.0
|
3
|
273.5
|
4103
|
| 1962 |
10.3
|
6.9
|
3.5
|
350
|
5250
|
| 1963 |
15.4
|
10.3
|
5.5
|
367
|
5505
|
| 1964 |
16.8
|
11.2
|
7.5
|
438
|
6570
|
| 1965 |
22
|
14.7
|
8
|
359
|
5385
|
| 1966 |
34.5
|
23
|
11
|
212
|
3180
|
| 1967 |
30
|
20
|
9
|
303.8
|
4557
|
| 1968 |
31.5
|
21
|
9.6
|
299.1
|
4486.5
|
| 1969 |
43.5
|
29
|
12
|
277.9
|
4169
|
| 1970 |
42.5
|
28.3
|
10.5
|
246.5
|
3698
|
| 1971 |
28.5
|
19
|
8
|
268.8
|
4032
|
| 1972 |
23.5
|
15.7
|
7
|
297.9
|
4468.5
|
| 1973 |
18.6
|
12.4
|
6
|
295.7
|
4435
|
| 1974 |
18.3
|
12.2
|
5
|
265
|
3975
|
| 1975 |
16.7
|
11
|
4
|
199
|
2985
|
| 1976 |
9.7
|
6
|
3
|
314
|
4710
|
| 1977 |
11.3
|
8
|
3
|
254
|
3810
|
| 1978 |
15.1
|
10
|
6
|
356
|
5340
|
| 1979 |
19.5
|
13
|
6
|
317.5
|
4762
|
| 1980 |
15
|
10
|
4
|
276
|
4140
|
| 1981 |
9
|
6
|
3
|
335
|
5025
|
| 1982 |
10.5
|
7
|
4
|
403.5
|
6053
|
| 1983 |
9
|
6
|
2
|
311.5
|
4673
|
| 1984 |
7.5
|
5
|
4
|
436.5
|
6548
|
| 1985 |
9.2
|
6
|
4
|
437
|
6555
|
| 1986 |
15
|
10
|
6
|
392
|
5880
|
| 1987 |
15
|
10
|
5
|
343
|
5145
|
| 1988 |
12
|
8
|
5
|
416
|
6240
|
| 1989 |
13.5
|
9
|
6
|
443
|
6645
|
| 1990 |
15
|
10
|
7
|
420
|
6300
|
| 1991 |
15
|
10
|
6
|
372
|
5580
|
| 1992 |
12
|
8
|
6
|
441.8
|
6627
|
| 1993 |
12
|
8
|
6
|
442.9
|
6643
|
| 1994 |
13.1
|
9
|
6
|
459.7
|
6896
|
| 1995 |
12
|
8
|
5
|
378.6
|
5679
|
| 1996 |
12
|
8
|
5
|
417.7
|
6265
|
| 1997 |
10.5
|
7
|
4.9
|
509.5
|
7643
|
| 1998 |
11
|
7
|
5
|
447.5
|
6712
|
| 1999 |
10.5
|
7
|
5
|
445.1
|
6676
|
| 2000 |
7.8
|
5.2
|
4
|
474.3
|
7115
|
| 2001 |
7.8
|
5.2
|
4
|
474.4
|
7116
|
| 2002 |
6
|
4
|
3
|
444.4
|
6666
|
|