|
| 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 |
873.4
|
582
|
36
|
41
|
612
|
| 1950 |
832.5
|
555
|
45
|
54
|
804
|
| 1951 |
835.5
|
557
|
47
|
56
|
837
|
| 1952 |
843.6
|
562
|
58
|
69
|
1035
|
| 1953 |
1032.2
|
688
|
90
|
87
|
1305
|
| 1954 |
836
|
557
|
62
|
74
|
1110
|
| 1955 |
952
|
635
|
77
|
80
|
1200
|
| 1956 |
1095.5
|
730
|
66
|
60
|
900
|
| 1957 |
937.5
|
625
|
88
|
93
|
1395
|
| 1958 |
760.5
|
507
|
82
|
107
|
1611
|
| 1959 |
798
|
532
|
86
|
107
|
1607
|
| 1960 |
751.5
|
501
|
70
|
94
|
1403
|
| 1961 |
724.5
|
483
|
65
|
90
|
1349
|
| 1962 |
740.7
|
494
|
71
|
96
|
1440
|
| 1963 |
830.4
|
554
|
84
|
101
|
1515
|
| 1964 |
794
|
529
|
100
|
126
|
1890
|
| 1965 |
661.1
|
441
|
95
|
144
|
2160
|
| 1966 |
700.5
|
467
|
110
|
157
|
2355
|
| 1967 |
645
|
430
|
107
|
165
|
2481
|
| 1968 |
679.5
|
453
|
116
|
170
|
2553
|
| 1969 |
673.5
|
449
|
120
|
178
|
2672
|
| 1970 |
688.5
|
459
|
124
|
180
|
2700
|
| 1971 |
600
|
400
|
98
|
163
|
2439
|
| 1972 |
512.2
|
341
|
103
|
201
|
3017
|
| 1973 |
535.3
|
357
|
133
|
247
|
3705
|
| 1974 |
577.8
|
385
|
127
|
220
|
3300
|
| 1975 |
568.5
|
379
|
133
|
233
|
3495
|
| 1976 |
611.2
|
407
|
163
|
266
|
3990
|
| 1977 |
715.5
|
477
|
142
|
198
|
2970
|
| 1978 |
667.5
|
445
|
123
|
185
|
2775
|
| 1979 |
615
|
410
|
133
|
217
|
3248
|
| 1980 |
579
|
386
|
123
|
212
|
3180
|
| 1981 |
667.5
|
445
|
174
|
260
|
3900
|
| 1982 |
724.5
|
483
|
195
|
269
|
4028
|
| 1983 |
685.5
|
457
|
191
|
278
|
4170
|
| 1984 |
646.5
|
431
|
208
|
322
|
4830
|
| 1985 |
690
|
460
|
222
|
315
|
4725
|
| 1986 |
724.5
|
483
|
242
|
334
|
5010
|
| 1987 |
744
|
496
|
241
|
324
|
4860
|
| 1988 |
712.5
|
475
|
243
|
341
|
5115
|
| 1989 |
751.5
|
501
|
278
|
369
|
5535
|
| 1990 |
691.5
|
461
|
233
|
337
|
5055
|
| 1991 |
639
|
426
|
212
|
331
|
4965
|
| 1992 |
631.5
|
421
|
217
|
344
|
5161
|
| 1993 |
708
|
472
|
260
|
367
|
5504
|
| 1994 |
688.5
|
459
|
217
|
315
|
4732
|
| 1995 |
693
|
462
|
271
|
391
|
5861
|
| 1996 |
702
|
468
|
260
|
370
|
5555
|
| 1997 |
658.5
|
439
|
244
|
370
|
5551
|
| 1998 |
710.3
|
474
|
286
|
403
|
6044
|
| 1999 |
681
|
454
|
265
|
389
|
5829
|
| 2000 |
634.8
|
423.2
|
237
|
373
|
5595
|
| 2001 |
644.7
|
429.8
|
260
|
403
|
6047
|
| 2002 |
654
|
436
|
262
|
400
|
5994
|
|