TY  - SER
AU  - Saravia,A.M.
AU  - Neptune,A.M.L.
TI  - Process of fixation, imobilization and mineralization of ammonium in soil using N - 15 [Biologia do solo; Fixacao de nitrogenio]
KW  - Biologia do solo
KW  - Fixacao de nitrogenio
KW  - Mineralizacao
KW  - Amonia
ER  -