分面浏览：发表日期 |
| 当前检索式 | ((ALL：玉米)) |
| 限定条件 | 无 |
| 2023 5 | 2022 12 | 2021 22 |
| 2020 74 | 2019 129 | 2018 274 |
| 2017 375 | 2016 498 | 2015 557 |
| 2014 516 | 2013 502 | 2012 740 |
| 2011 541 | 2010 644 | 2009 626 |
| 2008 606 | 2007 572 | 2006 476 |
| 2005 409 | 2004 335 | 2003 267 |
| 2002 201 | 2001 198 | 2000 206 |
| 1999 159 | 1998 120 | 1997 97 |
| 1996 109 | 1995 87 | 1994 74 |
| 1993 71 | 1992 56 | 1991 47 |
| 1990 54 | 1989 45 | 1988 30 |
| 1987 19 | 1986 25 | 1985 30 |
| 1984 31 | 1983 17 | 1982 25 |
| 1981 13 | 1980 8 | 1979 10 |
| 1978 5 | 1977 3 | 1976 1 |
| 1975 1 | 1974 1 | 1973 2 |
| 1970 1 | 1965 5 | 1964 6 |
| 1963 10 | 1962 1 | 1960 2 |
| 1959 3 | 1958 3 | 1957 2 |
| 1956 1 |
