|
| 年份 |
播种面积 |
总产量（万吨） |
单产产量 |
| 千公顷 |
万亩 |
千克/公顷 |
千克/每亩 |
| 1949 |
421 |
632 |
36
|
857
|
57
|
| 1950 |
436 |
654 |
38
|
879
|
59
|
| 1951 |
447 |
671 |
42
|
933
|
62
|
| 1952 |
475 |
713 |
50
|
1065
|
71
|
| 1953 |
542 |
813 |
60
|
1095
|
73
|
| 1954 |
462 |
693 |
47
|
1005
|
67
|
| 1955 |
496 |
744 |
60
|
1200
|
80
|
| 1956 |
494 |
741 |
66
|
1320
|
88
|
| 1957 |
461 |
692 |
60
|
1305
|
87
|
| 1958 |
371 |
557 |
46
|
1233
|
82
|
| 1959 |
352 |
528 |
38
|
1068
|
71
|
| 1960 |
502 |
753 |
37
|
735
|
49
|
| 1961 |
582 |
873 |
55
|
953
|
64
|
| 1962 |
531 |
797 |
54
|
1020
|
68
|
| 1963 |
537 |
806 |
66
|
1215
|
81
|
| 1964 |
536 |
804 |
65
|
1215
|
81
|
| 1965 |
520 |
780 |
73
|
1410
|
94
|
| 1966 |
484 |
726 |
64
|
1320
|
88
|
| 1967 |
452 |
678 |
52
|
1149
|
77
|
| 1968 |
453 |
680 |
58
|
1281
|
85
|
| 1969 |
447 |
671 |
57
|
1272
|
85
|
| 1970 |
426 |
639 |
60
|
1409
|
94
|
| 1971 |
405 |
608 |
51
|
1260
|
84
|
| 1972 |
378 |
567 |
54
|
1430
|
95
|
| 1973 |
358 |
537 |
60
|
1680
|
112
|
| 1974 |
361 |
542 |
74
|
2040
|
136
|
| 1975 |
366 |
549 |
59
|
1620
|
108
|
| 1976 |
380 |
570 |
71
|
1860
|
124
|
| 1977 |
398 |
597 |
86
|
2145
|
143
|
| 1978 |
403 |
605 |
103
|
2550
|
170
|
| 1979 |
412 |
618 |
110
|
2678
|
179
|
| 1980 |
407 |
610 |
86
|
2123
|
142
|
| 1981 |
416 |
624 |
103
|
2468
|
165
|
| 1982 |
428 |
642 |
108
|
2528
|
169
|
| 1983 |
418 |
627 |
111
|
2648
|
177
|
| 1984 |
411 |
617 |
129
|
3128
|
209
|
| 1985 |
374 |
561 |
115
|
3090
|
206
|
| 1986 |
382 |
573 |
116
|
3030
|
202
|
| 1987 |
394 |
591 |
118
|
3000
|
200
|
| 1988 |
384 |
576 |
92
|
2400
|
160
|
| 1989 |
389 |
584 |
109
|
2805
|
187
|
| 1990 |
386 |
579 |
122
|
3165
|
211
|
| 1991 |
395 |
593 |
120
|
3045
|
203
|
| 1992 |
376 |
564 |
130
|
3458
|
231
|
| 1993 |
366 |
549 |
116
|
3181
|
212
|
| 1994 |
374 |
561 |
134
|
3572
|
238
|
| 1995 |
394 |
591 |
150
|
3813
|
254
|
| 1996 |
405 |
608 |
166
|
4092
|
273
|
| 1997 |
400 |
600 |
161
|
4027
|
268
|
| 1998 |
441 |
661 |
187
|
4235
|
282
|
| 1999 |
461 |
691 |
204
|
4428
|
295
|
| 2000 |
424 |
636 |
217
|
5110
|
341
|
| 2001 |
401 |
601 |
195
|
4862
|
324
|
| 2002 |
391 |
587 |
187
|
4794
|
320
|
|