TY - BOOK AU - Venkataraman,G.S. ED - Food and Agriculture Organizaton of the United Nations. TI - Blue-green algae for rice production: a manual for its promotion SN - 9251011079 (pbk) U1 - 631 PY - 1981/// CY - Rome PB - FAO KW - Rice KW - Fertilizers KW - Nitrogen-fixing algae as fertilizer KW - Soil KW - Quality N1 - Bibliography: p. 59-67 ER -