TY  - MANSCPT
AU  - Houwaard,F.
TI  - Effect of combined nitrogen on symbiotic nitrogen fixation in pea plants
PY  - 1979///
CY  - Wageningen
PB  - Landbouuniversiteit te Wageningen
KW  - Nitrogen Fixation
KW  - Combined Nitrogen
KW  - Pea
ER  -