|
| 年份 |
播种面积 |
总产量（万吨） |
单产产量 |
| 万亩 |
千公顷 |
千克/每亩 |
千克/公顷 |
| 1949 |
239 |
159 |
17
|
72
|
1086
|
| 1950 |
231 |
154 |
19
|
82
|
1227
|
| 1951 |
242 |
161 |
21
|
86
|
1292
|
| 1952 |
273 |
182 |
24
|
86
|
1290
|
| 1953 |
295 |
197 |
22
|
72
|
1080
|
| 1954 |
297 |
198 |
28
|
94
|
1410
|
| 1955 |
279 |
186 |
31
|
110
|
1650
|
| 1956 |
389 |
259 |
42
|
108
|
1620
|
| 1957 |
331 |
221 |
45
|
136
|
2040
|
| 1958 |
416 |
277 |
42
|
100
|
1497
|
| 1959 |
330 |
220 |
34
|
104
|
1559
|
| 1960 |
338 |
225 |
22
|
66
|
995
|
| 1961 |
294 |
196 |
23
|
80
|
1194
|
| 1962 |
251 |
168 |
22
|
86
|
1290
|
| 1963 |
324 |
216 |
31
|
97
|
1455
|
| 1964 |
339 |
226 |
34
|
100
|
1500
|
| 1965 |
364 |
243 |
43
|
119
|
1785
|
| 1966 |
449 |
299 |
46
|
103
|
1541
|
| 1967 |
416 |
277 |
50
|
121
|
1808
|
| 1968 |
416 |
277 |
50
|
121
|
1808
|
| 1969 |
416 |
277 |
50
|
121
|
1808
|
| 1970 |
436 |
290 |
62
|
141
|
2118
|
| 1971 |
487 |
325 |
65
|
133
|
2001
|
| 1972 |
447 |
298 |
65
|
144
|
2165
|
| 1973 |
408 |
272 |
52
|
127
|
1905
|
| 1974 |
365 |
244 |
76
|
208
|
3120
|
| 1975 |
378 |
252 |
85
|
225
|
3375
|
| 1976 |
430 |
287 |
88
|
204
|
3060
|
| 1977 |
450 |
300 |
97
|
214
|
3210
|
| 1978 |
450 |
300 |
102
|
226
|
3390
|
| 1979 |
464 |
309 |
90
|
195
|
2918
|
| 1980 |
477 |
318 |
89
|
187
|
2798
|
| 1981 |
451 |
300 |
68
|
150
|
2250
|
| 1982 |
400 |
267 |
61
|
153
|
2288
|
| 1983 |
362 |
241 |
69
|
191
|
2858
|
| 1984 |
341 |
227 |
68
|
198
|
2970
|
| 1985 |
327 |
218 |
74
|
228
|
3420
|
| 1986 |
350 |
233 |
79
|
226
|
3390
|
| 1987 |
379 |
253 |
90
|
236
|
3540
|
| 1988 |
435 |
290 |
114
|
262
|
3930
|
| 1989 |
433 |
289 |
123
|
284
|
4260
|
| 1990 |
451 |
300 |
143
|
316
|
4740
|
| 1991 |
483 |
322 |
146
|
301
|
4515
|
| 1992 |
480 |
320 |
163
|
340
|
5095
|
| 1993 |
464 |
309 |
123
|
266
|
3991
|
| 1994 |
471 |
314 |
123
|
260
|
3907
|
| 1995 |
519 |
346 |
126
|
243
|
3638
|
| 1996 |
646 |
431 |
215
|
333
|
4998
|
| 1997 |
729 |
486 |
167
|
229
|
3432
|
| 1998 |
768 |
512 |
258
|
336
|
5042
|
| 1999 |
797 |
531 |
255
|
320
|
4804
|
| 2000 |
702 |
468 |
211
|
302
|
4533
|
| 2001 |
701 |
467 |
199
|
284
|
4260
|
| 2002 |
755 |
503 |
219
|
290
|
4353
|
|