02705nam a2200313 a 450000100080000000500110000800800410001902000180006010000180007824500570009626000380015330000120019149000510020350000910025452018570034565000090220265000100221165000110222165000170223265000150224965300140226465300160227865300200229465300130231465300140232765300150234165300140235670000210237012127482004-12-09       1984    bl uuuu      00u1 u    #d  a90-247-3068-61 aSILVER, W. S.  aPractical application of azolla for rice production.  aDordrecht: Martinus Nijhoffc1984  a227 p.   a(Developments in Plant and Soil Sciences, 13).  aProceedings of an International Workshop, Mayaguez, Puerto Rico, November 17-19, 1982.  aAzolla-Anabaena symbiosis: basic biology, use and prospects for the future; Basic studies: Formation and breakdown of Azolla polypeptides in paddy soils; Determining N2 fixation and N input in Azolla grown with and without combined nitrogen sources: keeping the acetylene reduction assay in the proper perspective; Recent advances on Azolla research; Sporocarp germination, cytology and mineral nutrition of Azolla species; Azolla pinnata var. africana: backgrwound, ecophysiology, plots assays; A scanning electron microscopic view of sporulation in Azolla mexicana Presl.; Planning Azolla research for the 1980's; Applied Studies: Azolla, a water saver in irrigated rice fields?; Azolla - a potential biofertilizer for rice production; Comparative study of six species of Azolla in relation to their utilization as green manure for rice; Azolla biofertilization to increase rice production with emphasis on dual cropping; Manuring of rice crop with Azolla; Phosphorus removal by Azolla caroliniana cultured in nutrient enriched waters; Utilization of radioactive phosphorus (32P) by Azolla-Anabaena and its transfer to rice plants; A study of the availability of biologically fixed atmospheric dinitrogen by Azolla-anabaena complex to the flooded rice crops; Country studies: Azolla for rice production in Thailand; Azolla as a biofertilizer for rice in Sri Lanka; Azolla in West Africa: first results from the WARDA program; Abstracts: Response of rice to nitrogen fertilization in Puerto Rico; Research on the mass culture of Azolla caroliniana and A. filiculoides in Italy; Practical utility of Azolla in Samba season in Thanjavur Delta; Azolla for rice production in tropical Africa; Evaluation of the Azolla-Anabaena association effect on the dry matter production and total N of Setaria sphacelata cv. Kazungula; Phosphorus nutrition in Azolla.  arice  aArroz  aAzolla  aOryza Sativa  aProdução  aAplicacao  aApplication  aAzolla-anabaena  aCongress  aCongresso  aProduction  aSymbioses1 aSCHRÖDER, E. C.