TY  - RPRT
TI  - Nitrogen fixation by Azolla in rice fields.
AU  - S N Talley
AU  - B J Talley
AU  - D W Rains
PY  - 1977
DO  - 10.1007/978-1-4684-0880-5_17
UR  - https://pubmed.ncbi.nlm.nih.gov/921689/
ID  - 921689
ER  -