Abd El- Rasoul, Sh.; Mona M.; Hanna, H. ; Elham; Aref, M. and Ghazal, F. M. (2004). Cyanobacteria and effective microorganisms ( EM ) as possible biofertilizers in wheat production. J. Agric. Mansoura Univ., 29 : 2783 – 2793.
Al – Kahal, A. A.; Ahmed, S.M.; Saleh, W. D. and G. A. M. El – Sayed. (2009). Productivity of clover as affected by application of compost tea. Egypt. J. of Appl. Sci., 24 (3B): 807 – 817.
Allen, M. M. and Stanier, R. Y. (1968). Selective isolation of blue – green algae from water and soil. J . Gen. Microbiol., 51: 203 - 209 .
Amer, S. A. (2004). Growth, green pods yield and seeds yield of common Bean (Phoseolus vulgaris L. ) as affected by active dry yeast, salicylic acid and their interaction. J . Agric Sci. Mansoura Univ ., 29 ( 3 ) : 1407 – 1422 .
Awodun, M. A. (2008). Effect of Azolla ( Azolla species ) on physiochemical properties of soil . World. J. of Agric. Sci., 4 (2): 157 – 160.
Black, C. A. (1965). In “Methods of Soil Analysis” Amer. Soc. Of Agron. Inc Pub. Madison, Wisconsin, USA.
Casida, L.E. ; Klein, D.A. and Santof, T. (1964). Soil dehydrogenase activity. Soil Sci., 98 : 371 – 376.
Chapman, H. D. and Pratt, P. F. (1961). Methods of Analysis for Soils, Plant and water. Agric. Publ. Univ., of California, Reverside.
Dauda, S. N.; Ajayi, F. A. and Ndor, E. (2008). Growth and yield of water melon ( Citrullus lanatus ) as affected by poultry manure application . J. Agric. Soc. Sci., 4: 121 – 124.
El- Berashi, M. (2008). Impact of Azolla in increasing rice production and reducing environment pollution. Ph. D. Thesis in Sciences Dept. of Agric. Sci., Inst. of Environ. Studies and Res. Ain Shams Univ. pp. 140 – 152.
El – Howeity, M. A.; Omar, N. M. A.; EL- Shinnawe, M. M. and Aboel –Naga. S. A (2004). Colonization pattern of some diazotrophs on wheat and Maize, roots in vitro and in vivo experiments. Eleventh, CONF. MICROBIOL., Cairo, Egypt, Oct. 18 – 19 pp.
El – Shahat, M. R. (2007). Cyanobacteria can compensate a part of mineral nitrogen required for wheat production. J . Agric. Sci . Monsoura . Univ ., 32 ( 2 ) : 1367 – 1377.
El – Zeky, M. M.; El – Shahat, R.M. ; Metwaly, Gh. S. and El – Ham, M.A. (2005). Using of cyanobacteria or Azolla as alternative nitrogen sources for rice production. J. Agric. Sci. Mansoura, Univ., 30: 3367 – 5577.
Ezz El – Din, A. A. and Hendawy, S. F. (2010). Effect of dry yeast and compost tea on growth and oil content of Borago officinalis plant. Res. J. Agric. Biol. Sci., 6 (4): 424 – 430.
Gaur, A. C.; Sadasivan, K. V.; Vitumal, O. P. and Mathur, R.S. (1971). A study of decomposition of organic matter in an alluvial soil, Co2 evolution mycological and chemical transformation. Plant and soil, 34: 17 – 28.
Gomez, K . A. and Gomez, A. A. (1984). A Statistical Procedures for agricultural research (2 nd ed .) , International Rice Research Institute, P.O.B. 933, Los Bnos, Manilla , Phlippines . pp. 20 – 29 & 359 / 387 .
Hardy, F. N.E.; Burns, R.C. and Holsten, R.D. (1973). Application of the acetylene – ethylene assay for measurement of nitrogen fixation. Soil, Biol. Biochem. 5: 47 – 81.
Hendawy, S.F.; Azza, A.; Ezz El – Din, Eman E.; Aziz and Omar, E .A. (2010). Productivity an oil quality of Thymus vulgaris under organic fertilization conditions. Ozean J. of App. Sci., 3 (2): 203 – 215.
Hoitink, H. A. J. and Grebus, M.E. (1994). Status of biological control of plant disease with composts. Compost Sci. Utilization, 2: 5 – 12.
Ingham, E. (2005). The compost tea brewing manual. US printings . Soil Foodweb Incorporated, ovegon.
Jackson, M. L. (1976). Soil Chemical Analysis. Constable, Co. Lt., London.
Kheder, Z. M. and Farid, S. (2000). Response of naturally virus infected plants to yeast extract and phosphoric acid application . Ann. Sci. Moshtohor, Egypt., 38: 927 – 939.
Kurtzman , C . P . (2005). Biodiversity and E cophysiology of yeasts ( In : The Yeast Hand Book, Gobor P, de La Rosa CL, eds ) Berlin , Springer, 11 / 30 .
Mandal, P. L.; Velk, P.L.G. and Mandal, L.N. (1999). Beneficial effect of blue – green algae and Azolla excluding supplying nitrogen. On wetland rice filds : a review. Biol. Fertil. Soils, 28: 329 – 342.
Naguib, N.Y.M. (2011), Organic v.s chemical fertilization of medicinal plant : a concise review of researches. Adv. Environ. Biol., 5 (2): 394 – 400.
Nazeer, M . and Prassad , N . (1984). Effect of Azolla application on rice yield and soil properties phykos. 23: 1, 269 – 272.
Norton, R. D. (2004). Agricultural Development policy : Concepts and Experiences. Jon Wiley and Sons, Ltd. Ny. 528P.
Reda M. El – Shahat ; Hanaa A.; Abo – Kora and El – Hossiny E. E. Khafaga (2011) . Azolla inoculant contribution to improve some soil properties and zea mays yield in saline soil. Egypt. J . Biotechnol., 37: 69 – 81.
Rao, D. L.N. and Burns, R. G. (1990). The effect of surface growth of blue green algae and bryophytes on some microbiological, biochemical and physical soil properties. Biol. And Fertil. Soils, 9: 239 – 244.
Sarwar, G; Schmeisky, H.; Tahir, A.; Iftikhar, Y. and Sabah, N. (2010). Application of green compost for improvement in soil chemical properties and fertility status. Journal of Animal and Plant Sciences. 20 (4): 258 – 260.
Shahram, S. and Kourosh, O. (2011). Organic and Biofertilizers as a good substitute for inorganic fertilizers in medicinal plants farming. Journal of Basic and Applied sciences, 5 (12): 1330 - 1333.
Strik, W. A. and Staden, J. V. (2003). Occurrence of cytokinin – like compounds in two aquatic fern and their exudates. Environ. Exp. Botany, 37: 569 – 571.
Suresh, K. D.; Sneh, G.; Krishn, K. K. and Mool, C. M. (2004). Microbical biomass carbon and microbial activities of soils receiving chemical fertilizers and organic amendments. Arch. Agron. Soil Sci., 50: 641 – 647.
Tilak, K . V. B. R. and Reddy, B. S. (2006). B. cereus and B. circulans novel inoculants for crops. Curr . Sci., 5: 642 – 644.
Vincent, J. M. (1970). A manual for practical study of root – nodule bacteria IBP Hand book, No 15, Blackwell Sci., Pub., Ltd., Oxford and Edinburgh UK.
Zaka, M. A.; Mujeeb, F.; Sarwar G. and N. M. Hassan, (2003). Agromelioration of saline sodic soils . J. Biol. Sci., 3 (3): 329 – 334.