|
| 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 |
|
|
|
|
|
| 1950 |
|
|
|
|
|
| 1951 |
|
|
|
|
|
| 1952 |
|
|
|
|
|
| 1953 |
|
|
|
|
|
| 1954 |
|
|
|
|
|
| 1955 |
|
|
|
|
|
| 1956 |
|
|
|
|
|
| 1957 |
|
|
|
|
|
| 1958 |
|
|
|
|
|
| 1959 |
|
|
|
|
|
| 1960 |
|
|
|
|
|
| 1961 |
294
|
196
|
23.4
|
79.6
|
1194
|
| 1962 |
|
|
|
|
|
| 1963 |
|
|
|
|
|
| 1964 |
|
|
|
|
|
| 1965 |
|
|
|
|
|
| 1966 |
|
|
|
|
|
| 1967 |
|
|
|
|
|
| 1968 |
|
|
|
|
|
| 1969 |
|
|
|
|
|
| 1970 |
|
|
|
|
|
| 1971 |
|
|
|
|
|
| 1972 |
|
|
|
|
|
| 1973 |
|
|
|
|
|
| 1974 |
|
|
|
|
|
| 1975 |
|
|
|
|
|
| 1976 |
|
|
|
|
|
| 1977 |
|
|
|
|
|
| 1978 |
|
|
|
|
|
| 1979 |
|
|
|
|
|
| 1980 |
|
|
|
|
|
| 1981 |
|
|
|
|
|
| 1982 |
|
|
|
|
|
| 1983 |
|
|
|
|
|
| 1984 |
|
|
|
|
|
| 1985 |
|
|
|
|
|
| 1986 |
|
|
|
|
|
| 1987 |
|
|
|
|
|
| 1988 |
|
|
|
|
|
| 1989 |
|
|
|
|
|
| 1990 |
|
|
|
|
|
| 1991 |
|
|
|
|
|
| 1992 |
|
|
|
|
|
| 1993 |
|
|
|
|
|
| 1994 |
|
|
|
|
|
| 1995 |
|
|
|
|
|
| 1996 |
|
|
|
|
|
| 1997 |
|
|
|
|
|
| 1998 |
3.5
|
2.3
|
1.8
|
522
|
7826
|
| 1999 |
3.7
|
2.5
|
2.2
|
588
|
8826
|
| 2000 |
0.3
|
0.2
|
1.2
|
381
|
5714
|
| 2001 |
0.3
|
0.2
|
1.2
|
348
|
5217
|
| 2002 |
0.3
|
0.2 |
1
|
444
|
6666
|
|