TY  - GEN
AU  - Hardy, R W F
TI  - Treatise on dinitrogen fixation : section 4 : agronomy and ecology
SN  - 0-471-02343-4
U1  - 546.711 59 HAR 
CY  - NewYork, John Wiley & Sons INC
KW  - Agronomy/ ecology/ nitrogen deficiency/ asymbiotic dintrogen  fixation
ER  -