单词 | nitragin |
释义 | Nitraginn. A proprietary name for: a fertilizer consisting of a culture of nitrogen-fixing bacteria obtained from the root nodules of leguminous plants. ΘΚΠ the world > food and drink > farming > cultivation or tillage > preparation of land or soil > fertilizing or manuring > [noun] > chemical fertilizer > specific manure1744 plaster of Paris1787 superphosphate1843 nitrate1846 super1891 Nitragin1896 complete fertilizer1904 nitrolime1908 Nitrochalk1927 Sequestrene1949 Krilium1952 1896 Contemp. Rev. Aug. 210 Nitragin: an important advance in the science of agriculture. 1896 Nature 6 Aug. 326/1 To deliver, as an article of commerce, cultivations of..bacteria under the name of Nitragin wherewith to inoculate..various leguminous crops. 1910 Encycl. Brit. III. 166/1 The important part that these bacteria play in agriculture led to the introduction in Germany of a commercial product (the so-called ‘nitragin’) consisting of a pure culture of the bacteria. 1920 Discovery Mar. 84/1 Nobbe and Hiltner in 1896..sold these cultures for soil inoculation under the trade name of ‘Nitragen’ [sic]. 1964 Ecology 45 835/1 To determine whether extracts found to be inhibitory to the test strains of Rhizobium would affect nodule formation in soil, seeds of stringless greenpod beans were treated with the appropriate Nitragin inoculum. 1995 New Phytologist 131 52/2 To promote nodule formation, soybean seeds were inoculated with a commercial powder formulation of Bradyrhizobium japonicum (Nitragin, The Nitragin Company, Milwaukee, WI, USA). This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < |
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