TY  - BOOK
AU  - Abou-Zeid,medhat Yamani
TI  - Biochemical investigation on asymbiotic nitrogen-fixing bacteria as a biofertilizer
PY  - 2001///
KW  - Nitrogen-fixing bacteria
KW  - Nitrogen
KW  - Fixation
KW  - Nitrogen fertilizers
N1  - Thesis (Ph.D.)--Zagazig University,2001.+PDF; Includes bibliographical references (leaves 139-173); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative
ER  -