|
| 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 |
265.2
|
177
|
17
|
64.1
|
961.5
|
| 1950 |
270
|
180
|
20
|
75.3
|
1130
|
| 1951 |
282
|
188
|
24
|
85.6
|
1284
|
| 1952 |
305.7
|
204
|
30
|
98
|
1470
|
| 1953 |
312.3
|
208
|
35
|
104
|
1560
|
| 1954 |
279
|
186
|
23
|
86
|
1290
|
| 1955 |
267.39
|
178
|
28
|
106
|
1590
|
| 1956 |
300.6
|
200
|
23.5
|
79
|
1185
|
| 1957 |
249.8
|
167
|
35
|
140
|
2100
|
| 1958 |
220.5
|
147
|
32
|
143.8
|
2157
|
| 1959 |
183
|
122
|
18
|
97.8
|
1467
|
| 1960 |
192
|
128
|
21
|
110.5
|
1658
|
| 1961 |
198
|
132
|
22
|
112
|
1680
|
| 1962 |
203.7
|
136
|
30
|
149
|
2235
|
| 1963 |
235
|
157
|
32.5
|
139
|
2085
|
| 1964 |
221.3
|
148
|
37.5
|
169
|
2535
|
| 1965 |
239.2
|
159
|
50
|
208
|
3120
|
| 1966 |
280.5
|
187
|
39
|
137.7
|
2066
|
| 1967 |
250.5
|
167
|
40
|
158.9
|
2384
|
| 1968 |
247.5
|
165
|
54
|
219
|
3285
|
| 1969 |
240
|
160
|
34
|
143.2
|
2148
|
| 1970 |
229.5
|
153
|
47
|
205.3
|
3080
|
| 1971 |
250.5
|
167
|
51
|
162.6
|
2439
|
| 1972 |
250.2
|
167
|
39.5
|
157.9
|
2368.5
|
| 1973 |
260.5
|
174
|
53
|
202
|
3030
|
| 1974 |
273.1
|
182
|
60
|
219
|
3285
|
| 1975 |
269.7
|
180
|
58
|
216
|
3240
|
| 1976 |
254.7
|
170
|
56
|
220
|
3300
|
| 1977 |
267.6
|
178
|
55
|
205
|
3075
|
| 1978 |
254.2
|
169
|
61
|
238
|
3570
|
| 1979 |
273
|
182
|
62
|
229
|
3435
|
| 1980 |
295.5
|
197
|
89
|
300.5
|
4508
|
| 1981 |
297
|
198
|
78
|
264.5
|
3968
|
| 1982 |
295.5
|
197
|
89
|
300
|
4500
|
| 1983 |
301.5
|
201
|
84
|
277.47
|
4162
|
| 1984 |
309
|
206
|
96
|
308
|
4620
|
| 1985 |
325.5
|
217
|
107
|
328
|
4920
|
| 1986 |
324
|
216
|
108
|
333
|
4995
|
| 1987 |
334.5
|
223
|
114
|
341
|
5115
|
| 1988 |
333
|
222
|
114
|
343
|
5145
|
| 1989 |
328.5
|
219
|
113
|
344
|
5160
|
| 1990 |
336
|
224
|
131
|
390
|
5850
|
| 1991 |
334.5
|
223
|
139
|
417
|
6255
|
| 1992 |
336
|
224
|
141
|
419.1
|
6286
|
| 1993 |
319.5
|
213
|
152
|
463.2
|
6948
|
| 1994 |
309
|
206
|
148
|
480
|
7200
|
| 1995 |
312
|
208
|
133
|
426.5
|
6397
|
| 1996 |
312
|
208
|
120
|
384
|
5760
|
| 1997 |
309
|
206
|
119
|
384.2
|
5763
|
| 1998 |
310.5
|
207
|
123
|
393.47
|
5902
|
| 1999 |
297
|
198
|
87
|
291.8
|
4377
|
| 2000 |
203.7
|
135.8
|
59
|
288.2
|
4323
|
| 2001 |
150.2
|
100.1
|
54
|
359
|
5385
|
| 2002 |
130.5
|
87
|
46
|
352.4
|
5286
|
|