|
| 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 |
988
|
659
|
60
|
61
|
912
|
| 1950 |
998
|
665
|
61
|
61
|
918
|
| 1951 |
1028
|
685
|
67
|
65
|
971
|
| 1952 |
886
|
591
|
59
|
66
|
990
|
| 1953 |
1060
|
707
|
76
|
72
|
1080
|
| 1954 |
1091
|
727
|
78
|
72
|
1080
|
| 1955 |
1112
|
741
|
89
|
80
|
1200
|
| 1956 |
1153
|
769
|
101
|
88
|
1320
|
| 1957 |
1131
|
754
|
112
|
99
|
1485
|
| 1958 |
915
|
610
|
113
|
124
|
1857
|
| 1959 |
827
|
551
|
81
|
98
|
1476
|
| 1960 |
876
|
584
|
59
|
67
|
1001
|
| 1961 |
930
|
620
|
123
|
132
|
1977
|
| 1962 |
847
|
565
|
74
|
87
|
1305
|
| 1963 |
1104
|
736
|
113
|
102
|
1530
|
| 1964 |
1075
|
717
|
118
|
110
|
1650
|
| 1965 |
1081
|
721
|
122
|
112
|
1680
|
| 1966 |
1075
|
717
|
130
|
121
|
1808
|
| 1967 |
1044
|
696
|
128
|
123
|
1839
|
| 1968 |
1003
|
669
|
122
|
122
|
1823
|
| 1969 |
1165
|
777
|
128
|
110
|
1644
|
| 1970 |
1058
|
705
|
147
|
139
|
2078
|
| 1971 |
1040
|
693
|
153
|
147
|
2207
|
| 1972 |
1024
|
682
|
125
|
122
|
1832
|
| 1973 |
1045
|
696
|
162
|
156
|
2340
|
| 1974 |
1033
|
688
|
147
|
142
|
2130
|
| 1975 |
1016
|
678
|
145
|
143
|
2145
|
| 1976 |
1002
|
668
|
133
|
133
|
1995
|
| 1977 |
1021
|
681
|
166
|
161
|
2415
|
| 1978 |
1017
|
678
|
174
|
171
|
2565
|
| 1979 |
1037
|
692
|
178
|
171
|
2565
|
| 1980 |
1077
|
718
|
212
|
196
|
2936
|
| 1981 |
1024
|
683
|
183
|
178
|
2670
|
| 1982 |
1001
|
668
|
193
|
193
|
2895
|
| 1983 |
1008
|
672
|
209
|
208
|
3113
|
| 1984 |
974
|
650
|
217
|
223
|
3345
|
| 1985 |
889
|
592
|
158
|
178
|
2670
|
| 1986 |
927
|
618
|
195
|
210
|
3150
|
| 1987 |
917
|
611
|
197
|
215
|
3225
|
| 1988 |
892
|
595
|
161
|
180
|
2700
|
| 1989 |
898
|
599
|
182
|
203
|
3045
|
| 1990 |
900
|
600
|
177
|
197
|
2955
|
| 1991 |
930
|
620
|
219
|
235
|
3525
|
| 1992 |
904
|
603
|
185
|
204
|
3067
|
| 1993 |
909
|
606
|
218
|
240
|
3596
|
| 1994 |
996
|
664
|
255
|
264
|
3953
|
| 1995 |
970
|
647
|
239
|
246
|
3687
|
| 1996 |
954
|
636
|
262
|
275
|
4125
|
| 1997 |
944
|
630
|
264
|
279
|
4187
|
| 1998 |
1093
|
729
|
309
|
283
|
4239
|
| 1999 |
1088
|
726
|
335
|
308
|
4614
|
| 2000 |
1083
|
722
|
342
|
279
|
4190
|
| 2001 |
1083
|
722
|
319
|
295
|
4425
|
| 2002 |
1056
|
704
|
343
|
325
|
4875
|
|