|
| 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 |
171
|
114
|
|
0
|
|
| 1950 |
162
|
108
|
|
0
|
|
| 1951 |
156
|
104
|
|
0
|
|
| 1952 |
0
|
|
|
0
|
|
| 1953 |
35.4
|
24
|
1.5
|
42
|
630
|
| 1954 |
27.2
|
18
|
1.5
|
49
|
735
|
| 1955 |
22.4
|
15
|
3
|
106
|
1590
|
| 1956 |
16.1
|
11
|
2.0
|
108
|
1620
|
| 1957 |
13.2
|
9
|
1.5
|
106
|
1590
|
| 1958 |
144
|
96
|
|
0
|
|
| 1959 |
129
|
86
|
|
0
|
|
| 1960 |
108
|
72
|
|
0
|
|
| 1961 |
0
|
|
|
0
|
|
| 1962 |
0
|
|
|
0
|
|
| 1963 |
0
|
|
|
0
|
|
| 1964 |
0
|
|
|
0
|
|
| 1965 |
0
|
|
|
0
|
|
| 1966 |
199.5
|
133
|
|
0
|
|
| 1967 |
172.5
|
115
|
|
0
|
|
| 1968 |
177
|
118
|
|
0
|
|
| 1969 |
196.5
|
131
|
|
0
|
|
| 1970 |
33
|
22
|
5
|
154.3
|
2315
|
| 1971 |
250.5
|
167
|
6
|
203
|
3045
|
| 1972 |
59.9
|
39.93
|
5
|
83.5
|
1252.5
|
| 1973 |
274.9
|
183
|
37
|
130
|
1950
|
| 1974 |
266.9
|
178
|
51
|
191
|
2865
|
| 1975 |
295
|
197
|
46
|
155
|
2325
|
| 1976 |
276.3
|
184
|
49
|
178
|
2670
|
| 1977 |
291.4
|
194
|
31
|
107
|
1605
|
| 1978 |
270.9
|
181
|
32
|
120
|
1800
|
| 1979 |
237
|
158
|
42
|
179.5
|
2692
|
| 1980 |
253.5
|
169
|
58
|
228
|
3420
|
| 1981 |
271.5
|
181
|
54
|
200.5
|
3008
|
| 1982 |
283.5
|
189
|
68
|
240
|
3600
|
| 1983 |
265.5
|
177
|
47
|
177.5
|
2662
|
| 1984 |
235.5
|
157
|
56
|
238.5
|
3578
|
| 1985 |
204
|
136
|
55
|
270
|
4050
|
| 1986 |
220.5
|
147
|
64
|
291
|
4365
|
| 1987 |
229.5
|
153
|
70
|
303
|
4545
|
| 1988 |
219
|
146
|
53
|
240
|
3600
|
| 1989 |
228
|
152
|
68
|
297
|
4455
|
| 1990 |
243
|
162
|
74
|
306
|
4590
|
| 1991 |
228
|
152
|
80
|
350
|
5250
|
| 1992 |
226.5
|
151
|
76
|
335.7
|
5036
|
| 1993 |
234
|
156
|
81
|
344.7
|
5170
|
| 1994 |
232.5
|
155
|
78
|
334.1
|
5012
|
| 1995 |
237
|
158
|
81
|
340
|
5100
|
| 1996 |
244.5
|
163
|
75
|
308.5
|
4628
|
| 1997 |
228
|
152
|
65
|
286.6
|
4299
|
| 1998 |
244.5
|
163
|
76
|
308.8
|
4632
|
| 1999 |
253.5
|
169
|
56
|
222.7
|
3340
|
| 2000 |
196.8
|
131.2
|
41
|
208.3
|
3125
|
| 2001 |
211.4
|
140.9
|
75
|
355.8
|
5337
|
| 2002 |
219
|
146
|
71
|
323.5
|
4853
|
|