|
| 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 |
30
|
45
|
|
|
|
| 1950 |
30
|
45
|
|
|
|
| 1951 |
30
|
45
|
|
|
|
| 1952 |
30
|
45
|
4
|
1170
|
78
|
| 1953 |
39
|
59
|
5
|
1140
|
76
|
| 1954 |
44
|
66
|
5
|
1140
|
76
|
| 1955 |
60
|
90
|
5
|
885
|
59
|
| 1956 |
74
|
111
|
7
|
870
|
58
|
| 1957 |
60
|
90
|
6
|
975
|
65
|
| 1958 |
52
|
78
|
|
|
|
| 1959 |
75
|
113
|
|
|
|
| 1960 |
93
|
140
|
|
|
|
| 1961 |
63
|
95
|
5
|
719
|
48
|
| 1962 |
35
|
53
|
4
|
930
|
62
|
| 1963 |
56
|
84
|
6
|
1020
|
68
|
| 1964 |
47
|
71
|
5
|
1095
|
73
|
| 1965 |
58
|
87
|
4
|
1155
|
77
|
| 1966 |
|
|
|
|
|
| 1967 |
|
|
|
|
|
| 1968 |
|
|
|
|
|
| 1969 |
|
|
|
|
|
| 1970 |
78
|
117
|
10
|
1215
|
81
|
| 1971 |
55
|
83
|
9
|
1644
|
110
|
| 1972 |
52
|
78
|
7
|
1338
|
89
|
| 1973 |
48
|
72
|
5
|
1065
|
71
|
| 1974 |
53
|
80
|
7
|
1320
|
88
|
| 1975 |
46
|
69
|
5
|
1050
|
70
|
| 1976 |
53
|
80
|
6
|
1155
|
77
|
| 1977 |
49
|
74
|
7
|
1350
|
90
|
| 1978 |
49
|
74
|
6
|
1245
|
83
|
| 1979 |
45
|
67
|
7
|
1403
|
94
|
| 1980 |
46
|
69
|
7
|
1425
|
95
|
| 1981 |
43
|
65
|
7
|
1545
|
103
|
| 1982 |
42
|
63
|
7
|
1635
|
109
|
| 1983 |
39
|
58
|
6
|
1650
|
110
|
| 1984 |
40
|
60
|
7
|
1718
|
115
|
| 1985 |
39
|
59
|
7
|
1785
|
119
|
| 1986 |
42
|
63
|
7
|
1770
|
118
|
| 1987 |
45
|
67
|
8
|
1770
|
118
|
| 1988 |
38
|
57
|
7
|
1725
|
115
|
| 1989 |
51
|
76
|
10
|
2040
|
136
|
| 1990 |
51
|
76
|
10
|
2040
|
136
|
| 1991 |
58
|
87
|
15
|
2625
|
175
|
| 1992 |
58
|
87
|
16
|
2756
|
184
|
| 1993 |
52
|
78
|
16
|
3033
|
202
|
| 1994 |
58
|
87
|
18
|
3051
|
203
|
| 1995 |
66
|
98
|
22
|
3337
|
222
|
| 1996 |
104
|
156
|
37
|
3577
|
238
|
| 1997 |
134
|
200
|
51
|
3824
|
255
|
| 1998 |
156
|
234
|
60
|
3830
|
255
|
| 1999 |
178
|
267
|
73
|
4080
|
272
|
| 2000 |
165
|
247
|
76
|
4020
|
268
|
| 2001 |
165
|
247
|
65
|
3962
|
264
|
| 2002 |
142
|
213
|
54
|
3770
|
251
|
|