TY  - BOOK
AU  - Shehata,Samy Mohamed
TI  - Evaluation of some biological as parameters for microbiological activities related to soil fertility
PY  - 1972///
KW  - Soil fertility
KW  - Soil biology
KW  - Soil microbiology
N1  - Thesis (Ph.D.) -- Cairo Univesity, 1972; Includes bibliographical references (leaves 90-108 ); Microfiche; Cairo, Egypt; ASUNET; 3 negative : microfiche
ER  -