Studies on symbiotic nitrogen fixation
Ghobrial, William Naguib.
Studies on symbiotic nitrogen fixation [microform] / دراسات على تثبيت النيتروجين تكافليا. William Naguib Ghobrial. - 1981. - 137, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.)--Mansoura University, 1981.
Includes bibliographical references (leaves 118-137 )
Microfiche.
Cairo, Egypt :
ASUNET,
3 microfiche : negative.
Summary in Arabic.
Nitrogen--Fixation.
Nitrogen-fixing plants.
Rhizobium leguminosarum.
Studies on symbiotic nitrogen fixation [microform] / دراسات على تثبيت النيتروجين تكافليا. William Naguib Ghobrial. - 1981. - 137, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.)--Mansoura University, 1981.
Includes bibliographical references (leaves 118-137 )
Microfiche.
Cairo, Egypt :
ASUNET,
3 microfiche : negative.
Summary in Arabic.
Nitrogen--Fixation.
Nitrogen-fixing plants.
Rhizobium leguminosarum.