|
| 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 |
391
|
587
|
38
|
963
|
64
|
| 1950 |
391
|
587
|
38
|
963
|
64
|
| 1951 |
402
|
603
|
44
|
1091
|
73
|
| 1952 |
378
|
567
|
43
|
1140
|
76
|
| 1953 |
394
|
591
|
48
|
1215
|
81
|
| 1954 |
472
|
708
|
57
|
1200
|
80
|
| 1955 |
602
|
903
|
63
|
1050
|
70
|
| 1956 |
650
|
975
|
58
|
900
|
60
|
| 1957 |
555
|
833
|
55
|
990
|
66
|
| 1958 |
575
|
863
|
56
|
972
|
65
|
| 1959 |
557
|
836
|
49
|
885
|
59
|
| 1960 |
367
|
551
|
48
|
1317
|
88
|
| 1961 |
568
|
852
|
49
|
858
|
57
|
| 1962 |
450
|
675
|
45
|
1005
|
67
|
| 1963 |
671
|
1007
|
48
|
720
|
48
|
| 1964 |
627
|
941
|
55
|
885
|
59
|
| 1965 |
533
|
800
|
60
|
1125
|
75
|
| 1966 |
506
|
759
|
58
|
1143
|
76
|
| 1967 |
481
|
722
|
61
|
1272
|
85
|
| 1968 |
453
|
680
|
57
|
1256
|
84
|
| 1969 |
457
|
686
|
62
|
1344
|
90
|
| 1970 |
497
|
746
|
72
|
1449
|
97
|
| 1971 |
509
|
764
|
82
|
1601
|
107
|
| 1972 |
548
|
822
|
84
|
1524
|
102
|
| 1973 |
579
|
869
|
92
|
1590
|
106
|
| 1974 |
613
|
920
|
99
|
1635
|
109
|
| 1975 |
658
|
987
|
97
|
1470
|
98
|
| 1976 |
690
|
1035
|
102
|
1485
|
99
|
| 1977 |
677
|
1016
|
88
|
1305
|
87
|
| 1978 |
633
|
950
|
104
|
1635
|
109
|
| 1979 |
566
|
849
|
99
|
1733
|
116
|
| 1980 |
535
|
803
|
111
|
2078
|
139
|
| 1981 |
569
|
854
|
120
|
2108
|
141
|
| 1982 |
547
|
820
|
122
|
2235
|
149
|
| 1983 |
521
|
781
|
107
|
2055
|
137
|
| 1984 |
500
|
750
|
104
|
2078
|
139
|
| 1985 |
476
|
714
|
92
|
1920
|
128
|
| 1986 |
478
|
717
|
90
|
1875
|
125
|
| 1987 |
505
|
757
|
98
|
1950
|
130
|
| 1988 |
531
|
796
|
68
|
1350
|
90
|
| 1989 |
533
|
800
|
119
|
2295
|
153
|
| 1990 |
537
|
805
|
120
|
2220
|
148
|
| 1991 |
534
|
801
|
107
|
2070
|
138
|
| 1992 |
516
|
773
|
122
|
2367
|
158
|
| 1993 |
527
|
790
|
154
|
2932
|
195
|
| 1994 |
553
|
830
|
131
|
2363
|
158
|
| 1995 |
550
|
825
|
155
|
2821
|
188
|
| 1996 |
559
|
838
|
151
|
2703
|
180
|
| 1997 |
561
|
842
|
166
|
2949
|
197
|
| 1998 |
579
|
868
|
156
|
2699
|
180
|
| 1999 |
594
|
891
|
172
|
2889
|
193
|
| 2000 |
557
|
835
|
184
|
3016
|
201
|
| 2001 |
557
|
835
|
169
|
3026
|
202
|
| 2002 |
520
|
780
|
161
|
3093
|
206
|
|