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Bitmap Image  |  1992-06-26  |  15.3 KB  |  384x197  |  4-bit (5 colors)
   ocr: death free atmospheric nitrogen putreractive fungi, animal nitrogen protein in nitrogen in N2 and pacteria plant protein death and - - à L excreta V - - - - 5dead organisms nitra ate pacteria : P bacteria nitrogen-fixing in - Nitrobacter) legume root ammonia nitrite nitr. ate - NOS nitrogen NOF - - in soil - X - Nz nitrifying bacteria esoil denitrifying pacteria Clostridium) Nitrosomonas) nitrogen-fixing bacteria