| 单词 | nitrogen fixer |
| 释义 | > as lemmasnitrogen fixer nitrogen fixer n. an organism which brings about nitrogen fixation. ΘΚΠ the world > life > biology > balance of nature > organisms in relation to habitat > [noun] colonist1839 benthos1891 land form1897 heterotroph1900 autotroph1901 epibenthos1902 specialist1902 microaerophile1903 nitrifier1903 consumer1904 nitrogen fixer1904 producer1904 indicator1906 psychrophile1906 thermophil1909 sulphuretum1925 influent1926 halobiont1928 halophile1928 mesophile1928 oligosaprobe1931 saprobe1932 eurytope1938 stenotope1938 photoautotroph1939 chemoautotroph1943 prototroph1946 mixotrophy1948 chemolithoautotroph1949 auxotroph1950 chemoheterotroph1951 chemoorganotroph1953 chemolithotroph1955 chemotroph1958 osmophile1961 psychrotroph1963 saprotroph1963 generalist1964 opportunist1967 cryophile1970 1904 Science 30 Sept. 433/1 The legume bacteria are nitrogen fixers without any aid from leguminous plants. 1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. viii. 235 Anaerobic and aerobic nitrogen fixers often occur associated together in the same soil. 1997 Internat. Jrnl. Plant Sci. 158 828/1 Spartium junceum is a nitrogen-fixer, and both leaf and stem photosynthesis are inhibited if tissue nitrogen levels drop appreciably. < as lemmas |
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