AVAILABILITY OF FIXED AMMONIUM IN SOILS CONTAINING DIFFERENT CLAY MINERALS von ALLISON, F. E., DOETSCH, JANET H., ROLLER, E. M.

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AMMONIUM FIXATION AND AVAILABILITY IN VERMICULITE von ALLISON, F. E., ROLLER, E. M., DOETSCH, JANET H.

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AMMONIUM FIXATION AND AVAILABILITY IN HARPSTER CLAY LOAM von ALLISON, F. E., DOETSCH, JANET H., ROLLER, E. M.

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NITROGEN GAS FORMATION BY INTERACTION OF NITRITES AND AMINO ACIDS von ALLISON, F. E., DOETSCH, JANET H., STERLING, LUANN D.

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