TY - BOOK AU - Abd El-Aziz,Ahmed Abd El-Aal TI - Comparative study on different production methods of nitrogen fixing algal inoculants for paddy soils PY - 1983/// KW - Algal gas exchange KW - Nitrogen-fixing algae as fertilizer N1 - Thesis (M.S.)--Cairo Universty, 1983; Includes bibliographical references (leaves [155]-170); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches : negative ER -