Studies on nitrogen fixing blue-green algae in Egyptian soils
Khadr, Mohamed Saleh.
Studies on nitrogen fixing blue-green algae in Egyptian soils [microform] / Mohamed Saleh Khadr. - 1975. - 165, 14 leaves : ill. ; 30 cm.
Thesis (Ph.D.)-- Al-Azhar University, 1975.
Includes bibliographical references (leaves 147-165).
Microfiche.
ASUNET,
Ain Shams University,
4 microfiches : negative.
Summary in Arabic.
Cyanobacteria.
Nitrogen-fixing algae.
Soils.
Studies on nitrogen fixing blue-green algae in Egyptian soils [microform] / Mohamed Saleh Khadr. - 1975. - 165, 14 leaves : ill. ; 30 cm.
Thesis (Ph.D.)-- Al-Azhar University, 1975.
Includes bibliographical references (leaves 147-165).
Microfiche.
ASUNET,
Ain Shams University,
4 microfiches : negative.
Summary in Arabic.
Cyanobacteria.
Nitrogen-fixing algae.
Soils.