TY  - RPRT
TI  - Avoiding nitrate tolerance.
AU  - J C Cowan
PY  - 1992
DO  - 10.1111/j.1365-2125.1992.tb04116.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1419477/
ID  - 1419477
ER  -