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A light and electron-microscopic study of microsporogenesis in azolla-microphylla by Herd, Y.R., Cutter, E.G., Watanabe, I.

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Differential Response of Azolla-Anabaena Associations to High Temperature and Minus Phosphorus Treatments by Tung, H.F., Watanabe, I.

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Antigenic Analysis of Anabaena azollae and the Role of Lectin in The Azolla Anabaena Symbiosis by Ladha, J.K., Watanabe, I.

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Long-term effects of urea and green manure on rice yields and nitrogen balance by Ladha, J.K., Dawe, D., Ventura, T.S., Singh, U., Ventura, W., Watanabe, I.

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Genetic diversity and phylogeny analysis of anabaena-azollae based on rflps detected in azolla-anabaena azollae dna complexes using nif gene probes by Van Coppenolle, B., McCouch, S.R., Watanabe, I., Huang, N., Van Hove, C.

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Green Manure Production of Azolla microphylla and Sesbania rostrata and Their Long-Term Effects on Rice Yields and Soil Fertility by Ventura, W., Watanabe, I.

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The Effects Of Temperature And Selected Growth-Regulating Substances On Sporulation In The Aquatic Fern Azolla by Herd, Y.R., Cutter, Elizabeth G., Watanabe, I.

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Fate of Azolla spp. and Urea Nitrogen Applied to Wetland Rice (Oryza sativa L.) by Watanabe, I., Ventura, W., Mascariña, G., Eskew, D.L.

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A Plant Sampling Procedure for Acetylene Reduction Assay to Detect Rice Varietal Differences in Ability to Stimulate N2 Fixation by Tirol-Padre, A., LADHA, J., Punzalan, G., Watanabe, I.

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The Abundance of Heterocystous Blue-Green Algae in Rice Soils and Inocula Used for Application in Rice Fields by Roger, P.A., Santiago-Ardales, S., Reddy, P.M., Watanabe, I.

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The Effects on N2 Fixation (C2H2 Reduction), Bacterial Population and Rice Plant Growth of Two Modes of Straw Application to a Wetland Rice Field by Ladha, J.K., Tirol-Padre, A., Daroy, M.L.G., Punzalan, G., Watanabe, I.

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Nodule Bacteroids And Anabaena: Natural N-15 Enrichment In The Legume-Rhizobium And Azolla-Anabaena Symbiotic Systems by Yoneyama, T., Ladha, J.K., Watanabe, I.

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Chemical Composition of Cultures and Natural Samples of N2-Fixing Blue-Green Algae From Rice Fields by Roger, P.A., Tirol, A., Ardales, S., Watanabe, I.

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Antigenic Relationship of N2-Fixing Pseudomonas Strain H8 to Various Known Cultures and Rice Rhizosphere Isolates Studied By Indirect Enzyme-Linked Immunosorbent Assay (ELISA) by Barraquio, W.L., Ladha, J.K., Yao, H.Q., Watanabe, I.

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An ultrastructural-study of postmeiotic development in the megasporocarp of azolla-microphylla by Herd, Y.R., Cutter, E.G., Watanabe, I.

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The Fate of Marker Azospirillum lipoferum Inoculated Into Rice and Its Effect on Growth, Yield and N2 Fixation of Plants Studied By Acetylene Reduction, 15N2 Feeding and 15N Diluti... by Nayak, D.N., Ladha, J.K., Watanabe, I.

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Effect of Grazer Regulation and Algal Inoculation on Photodependent Nitrogen Fixation in a Wetland Rice Field by Grant, I.F., Roger, P.A., Watanabe, I.

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Stimulating Effect of Hydrogen on N2 Fixation in Association with Field-Grown Wetland Rice by Gowda, T. K. S., Watanabe, I.

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Unicellular Mucilaginous Blue-Green Algae (Bga): Impressive Blooms But Deceptive Biofertilizers by Roger, P.A., Ardales, S., Watanabe, I.

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Effect of Urea on the N2-Fixing Algal Flora in Lowland Rice At Ripening Stage by Roger, P.A., Remulla, R., Watanabe, I.

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