Studies on the availability deficiency of zinc in soils of Egypt
Ismail, Safwat Ahmed.
Studies on the availability deficiency of zinc in soils of Egypt [microform] / Safwat Ahmed Ismail. - 1990. - 89, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.) -- El-Mini University, 1990.
Includes bibliographical references (leaves 76-89)
Microfiche.
Cairo, Egypt :
ASUNET,
2 microfiche : negative.
Soils--Zinc content.
Sandy soils.
Calcareous soils.
Soils--Research.
Studies on the availability deficiency of zinc in soils of Egypt [microform] / Safwat Ahmed Ismail. - 1990. - 89, 4 leaves : ill. ; 30 cm.
Thesis (Ph.D.) -- El-Mini University, 1990.
Includes bibliographical references (leaves 76-89)
Microfiche.
Cairo, Egypt :
ASUNET,
2 microfiche : negative.
Soils--Zinc content.
Sandy soils.
Calcareous soils.
Soils--Research.