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A light and electron-microscopic study of microsporogenesis in azolla-microphylla por 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 por Tung, H.F., Watanabe, I.

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

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Long-term effects of urea and green manure on rice yields and nitrogen balance por 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 por 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 por Ventura, W., Watanabe, I.

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The Effects Of Temperature And Selected Growth-Regulating Substances On Sporulation In The Aquatic Fern Azolla por 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.) por 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 por 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 por 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 por 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 por 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 por 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) por 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 por 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... por 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 por 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 por Gowda, T. K. S., Watanabe, I.

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Unicellular Mucilaginous Blue-Green Algae (Bga): Impressive Blooms But Deceptive Biofertilizers por 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 por Roger, P.A., Remulla, R., Watanabe, I.

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