Osamu Ito
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Osamu Itoearth-sciences Degrees
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Osamu Ito's Degrees
- PhD Agricultural Sciences University of Tsukuba
- Masters Agricultural Sciences University of Tsukuba
- Bachelors Agricultural Sciences University of Tsukuba
Why Is Osamu Ito Influential?
(Suggest an Edit or Addition)Osamu Ito's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Evidence for biological nitrification inhibition in Brachiaria pastures (2009) (421)
- Sodium—A Functional Plant Nutrient (2003) (374)
- Biological nitrification inhibition (BNI)—is it a widespread phenomenon? (2007) (270)
- Genetic Dissection of Drought and Heat Tolerance in Chickpea through Genome-Wide and Candidate Gene-Based Association Mapping Approaches (2014) (235)
- Advances in Drought Resistance of Rice (2009) (213)
- A bioluminescence assay to detect nitrification inhibitors released from plant roots: a case study with Brachiaria humidicola (2006) (182)
- Physiological evaluation of responses of rice (Oryza sativa L.) to water deficit (2002) (166)
- Detection, isolation and characterization of a root-exuded compound, methyl 3-(4-hydroxyphenyl) propionate, responsible for biological nitrification inhibition by sorghum (Sorghum bicolor). (2008) (147)
- Drought Tolerance Characteristics of Brazilian Soybean Cultivars— Evaluation and characterization of drought tolerance of various Brazilian soybean cultivars in the field — (2004) (143)
- NH4+ triggers the synthesis and release of biological nitrification inhibition compounds in Brachiaria humidicola roots (2007) (120)
- Physiological basis of submergence tolerance in rainfed lowland rice ecosystem (1999) (110)
- Evolution and mechanisms of plant tolerance to flooding stress. (2009) (109)
- Broader leaves result in better performance of indica rice under drought stress. (2010) (107)
- Composition of storage carbohydrate in tubers of yacon (Polymnia sonchifolia) (1990) (102)
- Free fatty acids from the pasture grass Brachiaria humidicola and one of their methyl esters as inhibitors of nitrification (2008) (89)
- Importance of active oxygen-scavenging system in the recovery of rice seedlings after submergence (2003) (89)
- Enhancement of Submergence Tolerance in Transgenic Rice Overproducing Pyruvate Decarboxylase (2000) (86)
- Scope for improvement of yield under drought through the root traits in chickpea (Cicer arietinum L.) (2015) (86)
- Nitrification Inhibitors from the root tissues of Brachiaria humidicola, a tropical grass. (2007) (79)
- Suppression of nitrification and nitrous oxide emission by the tropical grass Brachiaria humidicola (2003) (79)
- Dynamics of Roots and Nitrogen in Cropping Systems of the Semi-Arid Tropics (1996) (78)
- Morphological and physiological responses of rice seedlings to complete submergence (flash flooding). (2008) (78)
- Uptake, metabolism and distribution of nitrogen in crop plants traced by enriched and natural 15N: Progress over the last 30 years (2004) (72)
- Fixation of Dinitrogen-15 Associated with Rice Plants (1980) (60)
- Biological nitrification inhibition by Brachiaria humidicola roots varies with soil type and inhibits nitrifying bacteria, but not other major soil microorganisms (2009) (56)
- Metabolic changes in rice seedlings with different submergence tolerance after desubmergence (2002) (55)
- Root-shoot interaction as a limiting factor of biomass productivity in new tropical rice lines (2004) (53)
- Biological nitrification inhibition (BNI) - is there potential for genetic interventions in the Triticeae? (2009) (52)
- Field evaluation of nitrogen fixation and use of nitrogen fertilizer by sorghum/pigeonpea intercropping on an Alfisol in the Indian semi-arid tropics (1994) (49)
- Variation in carbon isotope discrimination and its relationship with harvest index in the reference collection of chickpea germplasm. (2013) (48)
- THE RELATIONSHIP BETWEEN COMBINED NITROGEN UPTAKES AND NITROGEN FIXATION IN AZOLLA‐ANABAENA SYMBIOSIS (1983) (43)
- Acceleration of 13C-labelled photosynthate partitioning from leaves to panicles in rice plants exposed to chronic ozone at the reproductive stage. (1995) (43)
- Phosphorus‐31 nuclear magnetic resonance studies of photosynthesizing Chlorella (1984) (42)
- Effects of NO2 and O3 Alone or in Combination on Kidney Bean Plants (Phaseolus vulgaris L.): Growth, Partitioning of Assimilates and Root Activities (1985) (42)
- Effects of chronic ozone exposure on growth, root respiration and nutrient uptake of rice plants. (1991) (41)
- Availability to Rice Plants of Nitrogen Fixed by Azolla (1985) (39)
- Characterization of Root Systems with Respect to Morphological Traits and Nitrogen-Absorbing Ability in the New Plant Type of Tropical Rice Lines (2005) (37)
- Measurement of ammonia volatilization from flooded paddy fields in Vietnam (2009) (35)
- Determination of 13C in plant materials by infrared absorption spectrometry using a simple calibration method (1983) (34)
- Soil microbial biomass and activities in a Japanese Andisol as affected by controlled release and application depth of urea (2005) (33)
- Amino acid metabolism in plant leaf IV. The effect of light on ammonium assimilation and glutamine metabolism in the cells isolated from spinach leaves (1978) (32)
- Contrasting physiological responses by cultivars of Oryza sativa and O. glaberrima to prolonged submergence. (2009) (32)
- Photophosphorylation and oxidative phosphorylation in intact cells and chromatophores of an aerobic photosynthetic bacterium, Erythrobacter sp. strain OCh114 (1986) (32)
- Developing a Community-Based Resilience Assessment Model with reference to Northern Ghana (2014) (30)
- Genetic improvement of rice for water-limited environments (2016) (30)
- Effects of Nitrogen Application on Sweet Sorghum (Sorghum bicolor (L.) Moench) in the Semi-Arid Tropical Zone of India (2017) (29)
- Effects of continuous rice straw compost application on rice yield and soil properties in the Mekong Delta (2009) (26)
- Relationships between Transpiration Efficiency and Carbon Isotope Discrimination in Chickpea (C. arietinum L) (2006) (25)
- Nitrogen assimilation in sunflower leaves and upward and downward transport of nitrogen (1976) (25)
- Performance of Maize-Soybean Intercropping under Various N Application Rates and Soil Moisture Conditions in Northern Mozambique (2015) (25)
- Length to weight ratio of chickpea roots under progressively receding soil moisture conditions in a Vertisol. (1998) (24)
- Characterizing Submergence Survival Strategy in Rice Via Chlorophyll Fluorescence (2012) (24)
- Physiological Studies on N2-Fixing Azolla (1981) (24)
- Flash flooding resistance of rice genotypes of Oryza sativa L., O. glaberrima Steud., and Interspecific hybridization progeny (2008) (22)
- Examination of Emission Spectrometric 15N Analysis of Amino Acids and Amides Separated by Thin Layer Chromatography (1976) (22)
- Immobilization, mineralization and availability to rice plants of nitrogen derived from heterotrophic nitrogen fixation in flooded soil (1981) (22)
- Varietal differences in root growth as related to nitrogen uptake by sorghum plants in low-nitrogen environment (2002) (21)
- Nitrogen balance and root behavior in four pigeonpea-based intercropping systems (1995) (21)
- Characterization of the organic components of an Alfisol and a Vertisol in adjacent locations in Indian semi-arid tropics using optical spectroscopy, 13C NMR spectroscopy, and 14C dating (1996) (19)
- Effects of NO2 and O3 exposure alone or in combination on kidney bean plants: amino acid content and composition (1986) (19)
- Evaluation of Germination Ability in Rice Seeds under Anaerobic Conditions by Cluster Analysis (2011) (18)
- Fertilizer induced nitrous oxide emissions from Vertisols and Alfisols during sweet sorghum cultivation in the Indian semi-arid tropics. (2012) (16)
- Nitrogen management and biological nitrogen fixation in sorghum/pigeonpea intercropping on Alfisols of the semi-arid tropics (1997) (16)
- Physiological Perspectives on Improving Crop Adaptation to Drought—Justification for a Systemic Component-Based Approach (2005) (16)
- Differences in Root System Morphology and Root Respiration in Relation to Nitrogen Uptake among Six Crop Species (1998) (16)
- Biological Nitrification Inhibition (BNI) Potential in Sorghum (2009) (15)
- Amino acid metabolism in plant leaf (1978) (15)
- Response of short-duration pigeonpea to nitrogen application after short-term waterlogging on a Vertisol (1994) (15)
- Timing of N fertilization on N2 fixation, N recovery and soil profile nitrate dynamics on sorghum/pigeonpea intercrops on Alfisols on the semi-arid tropics (1997) (15)
- Differences in uptake kinetics of ammonium and nitrate in legumes and cereals (1993) (14)
- Estimation of nitrogen fixation by the natural 15N-abundance technique and nitrogen uptake by pigeonpea genotypes of different maturity groups grown in an inceptisol (1996) (14)
- Effects of NO2 and O3 Alone or in Combination on Kidney Bean Plants (Phaseolus vulgaris L.): Products of 13CO2 Assimilation Detected by 13C Nuclear Magnetic Resonance (1985) (14)
- Root form and function in relation to crop productivity in cool season food legumes (1994) (13)
- Remobilization of nitrogen from senescing leaves of pigeonpea (Cajanus cajan (L.) Millsp.): genotypic differences across maturity groups? (1998) (13)
- Kinetics of 15N-labelled nitrate uptake by maize (Zea mays L.) root segments (1997) (13)
- Relationship between Shoot Elongation and Dry Matter Weight During Submergence in Oryza sativa L. and O. glaberrima Steud. Rice Cultivars (2008) (13)
- Crop Radiation Use Efficiency and Photosynthate Formation—Avenues for Genetic Improvement (2005) (13)
- Effects of NPK fertilizer combinations on yield and nitrogen balance in sorghum or pigeonpea on a vertisol in the semi-arid tropics (1999) (13)
- Spatial distribution of root activity and nitrogen fixation in sorghum/pigeonpea intercropping on an Indian Alfisol (1993) (12)
- THE AZOLLA-ANABAENA SYMBIOSIS: MORPHOLOGY, PHYSIOLOGY AND USE (2013) (12)
- Comparison of adaptability to flash flood between rice cultivars differing in flash flood tolerance (2002) (12)
- Analysis of Relationship between Root Length Density and Water Uptake by Roots of Five Crops Using Minirhizotron in the Semi-Arid Tropics (2000) (12)
- Effects of puddling on percolation and rice yields in rainfed lowland paddy cultivation: Case study in Khammouane province, central Laos (2013) (11)
- Nitrogen and/or phosphorus fertilization effects on organic carbon and mineral contents in the rhizosphere of field grown sorghum (1997) (10)
- Collecting and evaluating of wild relatives of sugarcane as breeding materials of new type sugarcane cultivars of cattle feed in Northeast Thailand. (2002) (10)
- Sulfur Management for Soybean Production (2008) (10)
- Differential growth response of rice genotypes based on quiescence mechanism under flash flooding stress (2012) (9)
- Amino acid metabolism in plant leaf: II. Effect of light on the incorporation of15N-labeled ammonium and nitrate into amino acids in sunflower leaf discs (1978) (9)
- Combined Effects of the Continual Application of Composted Rice Straw and Chemical Fertilizer on Rice Yield under a Double Rice Cropping System in the Mekong Delta, Vietnam (2013) (9)
- Development and Characterization of Introgression Lines of an Indica-type Rice Variety, IR64, for Unique Agronomic Traits (2010) (9)
- Percent Relative Cumulative Frequency Approach to Determine Micronutrient Deficiencies in Soybean (2010) (8)
- Transformation and translocation of photoassimilated 13CO2 and glycine-2-13C in sunflower leaves detected by 13C-NMR (1992) (8)
- Response Of The Pigeonpea (Cajanus Cajan (L.) Millspaugh) To Nitrogen Application And Temporary Waterlogging (1992) (7)
- A simple photoirradiation method for biological samples in NMR probes and its application to photosynthesizing green algae (1984) (7)
- Phosphorus-31 nuclear magnetic resonance studies on higher plant tissue (1985) (7)
- Simulating Root System Development of Short-duration Pigeonpea (1996) (7)
- ACCELERATION OF C13 LABELLED PHOTOSYNTHATES FROM LEAVES TO PANICLES IN RICE PLANTS EXPOSED TO CHRONIC OZONE AT THE REPRODUCTIVE STAGE (1995) (6)
- Improvement of Soil and Fertilizer Nitrogen Use Efficiency in Sorghum/Pigeonpea Intercropping (1996) (6)
- Development of sustainable agricultural system in Northeast Thailand through local resource utilization and technology improvement (2002) (6)
- Effects of O3 and NO2 Alone or in Combination on the Distribution of 13C-assimilate in Kidney Bean Plants (1985) (6)
- Diurnal changes in nonstructural carbohydrates and amino acids in pigeonpea leaves (1996) (5)
- Alternative tillage system for soil conservation, enhancement of crop growth and increasing working efficiency. (2002) (5)
- Amino acid metabolism in plant leaf:1. Amino acids synthesis from14C02and15NH4in detached sunflower leaves (1977) (4)
- Characterisation of agro-environments for optimising cropping systems along the NACALA corridor, Mozambique. (2011) (4)
- P13 Analysis of grain-filling of individual tillers of rice based on their emergence time and NSC content in genotypes IR72 and New Plant Type (1998) (4)
- Determining N2 Fixation and N Input in Azolla Grown with and without Combined Nitrogen Sources: Keeping the Acetylene Reduction Assay in the Proper Perspective (1984) (4)
- Rooting Behavior Of Intercropped Pigeonpea (Cajanus Cajan (L.) Millspaugh) And Sorghum (Sorghum Bicolor (L.) Moench) (1992) (3)
- Identification of plant genetic resources with high potential contribution to soil fertility enhancement in the Sahel, with special interest in fallow vegetation (2011) (3)
- Acidification in Rhizospheric Soil of Field-Grown Sorghum Decreases Nitrification Activity (2015) (3)
- Correction: Genetic Dissection of Drought and Heat Tolerance in Chickpea through Genome-Wide and Candidate Gene-Based Association Mapping Approaches (2017) (3)
- Inorganic Nitrogen In Soil Water Collected From Soil Under Intercrop Components Sorghum And Pigeonpea - A Pot Experiment (1992) (3)
- Varietal Differences in Carbohydrate Accumulation in Pigeonpea Stems in Relation to Reproductive Development (2004) (2)
- Seedling characteristics and retention of current photosynthates in leaves in relation to initial growth in pigeonpea (Cajanus cajan L. Millsp.) and cowpea (Vigna sinensis Endl.) (1998) (2)
- Effects of NPK fertilizer combinations on yield and nitrogen balance in sorghum [Sorghum bicolor] or pigeonpea [Cajanus cajan] on a vertisol in the semi-arid tropics (1999) (2)
- Traits Associated with the Escape Strategy are Responsible for Flash Flooding Tolerance of Rice during the Emergence and Seedling Stages (2015) (2)
- Estimation of Soil Nitrogen Status in Intercropping Through Soil Solution (1996) (2)
- Growth of azolla with rice and its effect on rice yield (1981) (2)
- Nitrogen fertilizer management in pigeonpea/sorghum intercropping on an Alfisol in the semi-arid tropics (1997) (2)
- Nitrogen Management in Sorghum/Pigeonpea Intercrop (1997) (2)
- Inhibition of seedling establishment by nitrogen application in direct sowing culture of paddy rice in old region (2004) (2)
- Biological Nitrification Inhibition as a novel approach for Enhancing Nitrogen Use Efficiency in Crops. (2009) (2)
- Cropping Systems in Some Drought-Prone Communities of the Northern Region of Ghana: Factors Affecting the Introduction of Rice (2014) (1)
- Indigenous Soil Fertility Knowledge of Rainfed Lowland Rice Farmers in Central Laos Indigenous Soil Fertility Knowledge (2013) (1)
- Dynamics of Fertilizer Nitrogen Applied to Sweet Sorghum ( Sorghum bicolor (L.) Moench) in the Semi-Arid Tropics (2015) (1)
- Minirhizotron Observation of Pigeonpea Root System after Waterlogging. (1997) (1)
- 8-24 Field Evaluation of Root Distribution Pattern and Soil Solution N in Sorghum/Pigeonpea intercropping on an Indian Alfisol (1993) (1)
- Nitrification Inhibition in Root Exudates of Tropical Grasses (2004) (1)
- 10-35 Effective Management of Nitrogen Fertilizer for Sorghum/Pigeonpea Intercropping in a Semi-Arid Environment (1994) (1)
- Available N and P, Microbial Activity, and Biomass in Saline Sandy and Clayey Soils Amended with Residues of Wheat and Alfalfa (2014) (1)
- Effects of Short Term Waterlogging and Nitrogen Top Dressing on Leaf Photosynthesis and Carbon Partitioning in Short Duration Pigeonpea (2005) (1)
- Simulation of Rooting Profile Using Soil Properties, Crop Characteristics, and Climatic Data (1996) (1)
- [Studies on plant metabolism using stable isotopes]. (1988) (1)
- Increasing Economic Options in Rainfed Agriculture in Indochina through Effecient Use of Water resources : -Proceedings of JIRCAS Rainfed Agriculture Project Workshop- (2006) (0)
- 11-8 Root activity and biomass productivity of new type of tropical rice plant (2003) (0)
- 15-12 Influences of phosphate rock application on rice growth (2010) (0)
- Contributions of Biological Nitrogen Fixation by Pigeonpea to the N Economy of Pigeonpea-Based Cropping System in the Semi-Arid Tropics (1998) (0)
- Processing and utilization of small round-bale wrapped silage made from tropical forages. (2002) (0)
- Detection of submergence stress-induced genes in submergence tolerant rice cultivar by differential display method and expression mechanim of their genes (2001) (0)
- Effect of Season and N Source on Brachiaria humidicola and Panicum maximum Growth Performance and Biological Nitrification Inhibition in Rhizoshepe soil (2009) (0)
- Changes in active oxygen scavenging substances of submergence-tolerant rice cultivar during and after submergence stress (1999) (0)
- Nitrification Inhibition (NI) compounds from Brachiaria humidicola, a tropical grass (2006) (0)
- Aerobic Photosynthetic Bacterium, Erythrobacter sp. Strain OChll4 (0)
- Detection of high-salt stress-induced genes in high-salt tolerant rice cultivars by differential display method and expression mechanism of their genes : (2001) (0)
- Nitrification – Is It a Strategic Point of Intervention for Limiting Nitrogen Losses from Agricultural Systems? – The Concept of Biological Nitrification Inhibition (BNI) (2010) (0)
- Diagenesis of organic components and inflow of palaeoandosol in a peatland observed by high-resolution solid-state 13C NMR (1993) (0)
- Can nitrification be inhibited/regulated biologically?: Biological nitrification inhibition (BN): a novel phenomenon (2007) (0)
- Lowering of rhizosphere soil pH is a relevant factor on biological nitrification inhibition in sorghum (2016) (0)
- Improving adoption of agricultural technologies : How participatory research can complement conventional research approaches: Resources from a training workshop, 4-8 March, 2002, Tsukuba, Japan (2002) (0)
- Incorporation of14CO2and15NH4into amino acids of the two subunits of fraction 1 protein in spinach leaves (1978) (0)
- Fixation ofDinitrogen-15 Associated withRicePlants (1980) (0)
- Biological nitrification inhibition (BNI): a dual benefit for agriculture and the environment (2009) (0)
- Effects of Dicyandiamide and Methyl-p-Hydroxyphenyl Propionate on Nitrification and N2O Emission under Different Soil Moisture Conditions (2013) (0)
- Summary of Session 3 : Technological Issues after the Green Revolution (2018) (0)
- 6-2-9 Village survey on cropping pattern, crop yield and soil properties in Tolon district of Northern Ghana (2013) (0)
- Improving Water Availability and Use in Rainfed Systems (2019) (0)
- Government of Japan Project activities at ICRISAT 1984–1999 (2002) (0)
- Case Study on Development of the Sustainable Agricultural System for Various Agro-ecosystems Through Assessment of Nitrogen Flow (2004) (0)
- 11-19 Relationships between stem sap exudation and other root characteristics in new plant type of tropical rice (2002) (0)
- Corrigendum to “Physiological evaluation of responses of rice (Oryza sativa L.) to water deficit” (2003) (0)
- Importance of active oxygen-scavenging systems in the recovery of submerged rice seedlings (1999) (0)
- Productivity and Soil Fertility in Tropical Rice under Continuous and Intensive Cropping Systems (1998) (0)
- Rooting Inhibitors in Soil Solution under an Intensive Ricecropping System (2001) (0)
- Physio-genetic Study on Yield Determination and Ecological Adaptability for Sustainable Rice Culture (2006) (0)
- IV. Non-destructive measurements in plant science. (1989) (0)
- About hungercure by plant enzyme (1973) (0)
- Strategy for Rice Production Technologies at IRRI (2019) (0)
- Is there a genetic strategy to control nitrification and N2O emissions from agricultural systems? - biological Nitrification Inhibition (BNI) (2008) (0)
- Root exudates of Brachiaria humidicola, a tropical pasture grass, and its effect on nitrification and soil microorganisms (2007) (0)
- Root Behavior and Nitrogen Balance Sheet in Four Pigeonpea-Based Intercropping Systems on a Deep Alfisol in the Semi-Arid Tropics (1999) (0)
- What Triggers NI (Nitrification Inhibitory) Activity in Root Exudates of Brachiaria humidicola (2004) (0)
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