Jagdish Kumar Ladha
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Computer Science
Jagdish Kumar Ladha's Degrees
- PhD Computer Science Stanford University
- Masters Computer Science University of California, Berkeley
- Bachelors Computer Science University of California, Berkeley
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(Suggest an Edit or Addition)Jagdish Kumar Ladha's Published Works
Published Works
- Efficiency of Fertilizer Nitrogen in Cereal Production: Retrospects and Prospects (2005) (956)
- Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production? (1995) (779)
- Weed Management in Direct‐Seeded Rice (2007) (685)
- How extensive are yield declines in long-term rice-wheat experiments in Asia? (2003) (584)
- Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems (1998) (554)
- Evaluation of plant growth promoting and colonization ability of endophytic diazotrophs from deep water rice. (2001) (469)
- Rhizobia inoculation improves nutrient uptake and growth of lowland rice. (2000) (450)
- Direct Seeding of Rice (2011) (392)
- Infection and colonization of rice seedlings by the plant growth-promoting bacterium Herbaspirillum seropedicae Z67. (2002) (377)
- Natural endophytic association between Rhizobium leguminosarum bv. trifolii and rice roots and assessment of its potential to promote rice growth (2004) (375)
- Saving of Water and Labor in a Rice–Wheat System with No-Tillage and Direct Seeding Technologies (2007) (362)
- Endophytic Colonization of Rice by a Diazotrophic Strain of Serratia marcescens (2001) (357)
- Evaluation of precision land leveling and double zero-till systems in the rice–wheat rotation: Water use, productivity, profitability and soil physical properties (2009) (330)
- Improving the Productivity and Sustainability of Rice-Wheat Systems: Issues and Impacts (2003) (324)
- Rhizobial Inoculation Influences Seedling Vigor and Yield of Rice (2000) (308)
- Global nitrogen budgets in cereals: A 50-year assessment for maize, rice, and wheat production systems (2016) (306)
- Yield and Soil Nutrient Changes in a Long‐Term Rice‐Wheat Rotation in India (2002) (293)
- Trends of climatic potential and on-farm yields of rice and wheat in the Indo-Gangetic Plains (2003) (276)
- Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India (2002) (275)
- Biological nitrogen fixation for sustainable agriculture: A perspective (1992) (273)
- Effect of Tillage and Crop Establishment Methods on Physical Properties of a Medium-Textured Soil under a Seven-Year Rice−Wheat Rotation (2011) (269)
- Assessing the Reliability of Permanganate-Oxidizable Carbon as an Index of Soil Labile Carbon (2004) (264)
- Evaluation of alternative tillage and crop establishment methods in a rice-wheat rotation in North Western IGP (2010) (263)
- Long-term effects of organic inputs on yield and soil fertility in the rice-wheat rotation (2004) (246)
- Optimizing intensive cereal-based cropping systems addressing current and future drivers of agricultural change in the northwestern Indo-Gangetic Plains of India (2013) (241)
- Water-wise rice production (2002) (240)
- Isolation of endophytic bacteria from rice and assessment of their potential for supplying rice with biologically fixed nitrogen (1997) (220)
- Effects of Residue Decomposition on Productivity and Soil Fertility in Rice–Wheat Rotation (2004) (219)
- Opportunities for increased nitrogen-use efficiency from improved lowland rice germplasm (1998) (211)
- Nitrogen fixation in rice systems: state of knowledge and future prospects (2003) (210)
- Tillage and Crop Establishment Affects Sustainability of South Asian Rice―Wheat System (2011) (209)
- Integrating crop and resource management technologies for enhanced productivity, profitability, and sustainability of the rice-wheat system in South Asia (2009) (208)
- Sustainability of post-green revolution agriculture: the rice-wheat cropping systems of the Indo-Gangetic Plains and China. (2003) (201)
- Yield and Soil Fertility Trends in a 20‐Year Rice–Rice–Wheat Experiment in Nepal (2002) (200)
- Biological N2 Fixation in wetland rice fields: Estimation and contribution to nitrogen balance (1992) (194)
- Genotypic variation in nitrogen use efficiency in medium- and long-duration rice (1998) (194)
- Role of nitrogen fertilization in sustaining organic matter in cultivated soils. (2011) (188)
- Enhancing legume N2 fixation through plant and soil management (1995) (182)
- The quest for nitrogen fixation in rice (2000) (182)
- Improving the Productivity and Sustainability of Rice-Wheat Systems of the Indo-Gangetic Plains: A Synthesis of NARS-IRRI Partnership Research (2000) (180)
- Productivity Trends in Intensive Rice–Wheat Cropping Systems in Asia (2015) (178)
- Isolation of endophytic diazotrophic bacteria from wetland rice (1997) (177)
- Evaluation of mulching, intercropping with Sesbania and herbicide use for weed management in dry-seeded rice (Oryza sativa L.) (2007) (175)
- Calibrating the leaf color chart for nitrogen management in different genotypes of rice and wheat in a systems perspective (2004) (170)
- Do organic amendments improve yield trends and profitability in intensive rice systems (2003) (162)
- Herbaspirillum colonization increases growth and nitrogen accumulation in aluminium-tolerant rice varieties (2002) (160)
- Nitrogen Fixation with Non-Legumes (1998) (151)
- Weed management in aerobic rice systems under varying establishment methods (2008) (150)
- Rice ENOD40: isolation and expression analysis in rice and transgenic soybean root nodules. (1999) (142)
- The role of potassium in sustaining yields in a long-term rice-wheat experiment in the Indo-Gangetic Plains of Nepal (2002) (137)
- Specific Detection of Bradyrhizobium andRhizobium Strains Colonizing Rice (Oryza sativa) Roots by 16S-23S Ribosomal DNA Intergenic Spacer-Targeted PCR (2001) (131)
- Long-term changes in yield and soil fertility in a twenty-year rice-wheat experiment in Nepal (2001) (128)
- Crop-water relations in rice-wheat cropping under different tillage systems and water-management practices in a marginally sodic, medium-textured soil (2002) (126)
- Green manure technology: Potential, usage, and limitations. A case study for lowland rice (1995) (125)
- Can productivity and profitability be enhanced in intensively managed cereal systems while reducing the environmental footprint of production? Assessing sustainable intensification options in the breadbasket of India (2018) (124)
- The 4p1000 initiative: Opportunities, limitations and challenges for implementing soil organic carbon sequestration as a sustainable development strategy (2019) (124)
- Automated elemental analysis: A rapid and reliable but expensive measurement of total carbon and nitrogen in plant and soil samples (1993) (123)
- Legume Decomposition and Nitrogen Release When Applied as Green Manures to Tropical Vegetable Production Systems (2000) (121)
- Weed management in dry-seeded rice (Oryza sativa) cultivated in the furrow-irrigated raised-bed planting system (2006) (117)
- Grain yield performance of rice genotypes at suboptimal levels of soil N as affected by N uptake and utilization efficiency (1996) (117)
- Soil Physical Effects of Puddling in Rice–Wheat Cropping Systems (2003) (115)
- Direct-seeded rice culture in Sri Lanka: Lessons from farmers (2011) (115)
- Changes in soil biology under conservation agriculture based sustainable intensification of cereal systems in Indo-Gangetic Plains (2018) (115)
- Influence of Azospirillum inoculation on the mineral uptake and growth of rice under hydroponic conditions (1988) (113)
- Genotypic Variation in Promotion of Rice Dinitrogen Fixation as Determined by Nitrogen‐15 Dilution (1996) (110)
- Organic Amendments Affect Soil Parameters in Two Long-Term Rice-Wheat Experiments (2007) (105)
- Isolation and identification of nitrogen fixing Enterobacter cloacae and Klebsiella planticola associated with rice plants (1983) (104)
- Legume Productivity and Soil Nitrogen Dynamics in Lowland Rice-Based Cropping Systems (1996) (101)
- Emerging Technologies to Increase the Efficiency of Use of Fertilzer Nitrogen (2004) (101)
- Stem-Nodulating Legume- Rhizobium Symbiosis and Its Agronomic Use in Lowland Rice (1992) (100)
- Integration of conservation agriculture with best management practices for improving system performance of the rice–wheat rotation in the Eastern Indo-Gangetic Plains of India (2014) (100)
- Nutrient management for increased productivity of rice–wheat cropping system in Bangladesh (2006) (97)
- Conservation agriculture for sustainable intensification in South Asia (2020) (95)
- Leaf Color Chart for Managing Nitrogen Fertilizer in Lowland Rice in Bangladesh (2005) (92)
- An assessment of fertilizer nitrogen recovery efficiency by grain crops. (2004) (92)
- Weed Management Strategies to Reduce Herbicide Use in Zero-Till Rice–Wheat Cropping Systems of the Indo-Gangetic Plains (2013) (91)
- Fields on fire: Alternatives to crop residue burning in India (2019) (91)
- Efficient management of soil and biologically fixed N2 in intensively-cultivated rice fields (1995) (88)
- Soil Aggregation and Associated Organic Carbon Fractions as Affected by Tillage in a Rice–Wheat Rotation in North India (2011) (88)
- Extension of nitrogen fixation to rice — Necessity and possibilities (1995) (88)
- Agronomic improvements can make future cereal systems in South Asia far more productive and result in a lower environmental footprint (2016) (87)
- Management of Biological Nitrogen Fixation for the Development of More Productive and Sustainable Agricultural Systems (1995) (87)
- Nitrogen Losses and Lowland Rice Yield as Affected by Residue Nitrogen Release (1994) (86)
- A global analysis of alternative tillage and crop establishment practices for economically and environmentally efficient rice production (2017) (83)
- Opportunities to manipulate nutrient-by-water interactions in rainfed lowland rice systems (1998) (82)
- Long-term effects of urea and green manure on rice yields and nitrogen balance (2000) (81)
- Biological N2 fixation by heterotrophic and phototrophic bacteria in association with straw (1995) (80)
- Photosynthetic symbionts of Aeschynomene spp. form a cluster with bradyrhizobia on the basis of fatty acid and rRNA analyses. (1994) (79)
- Placement effects on rice residue decomposition and nutrient dynamics on two soil types during wheat cropping in rice–wheat system in northwestern India (2010) (79)
- Technology Options for Rice in the Rice–Wheat System in South Asia (2003) (78)
- Simulation of resource-conserving technologies on productivity, income and greenhouse gas GHG emission in rice-wheat system (2012) (77)
- Interactions of rice seedlings with bacteria isolated from rice roots (1999) (77)
- Introduction: Assessing opportunities for nitrogen fixation in rice - a frontier project (2004) (77)
- Managing native and legume-fixed nitrogen in lowland rice-based cropping systems (1992) (77)
- Estimating dinitrogen fixation of hedgerow vegetation using the nitrogen-15 natural abundance method (1993) (76)
- Adopting conservation agriculture in the rice-wheat system of the Indo-Gangetic Plains: new opportunities for saving water (2002) (76)
- Yield and phosphorus transformations in a rice-wheat system with crop residue and phosphorus management (2007) (76)
- Metabolic engineering of rice with soybean isoflavone synthase for promoting nodulation gene expression in rhizobia. (2006) (73)
- Influence of Rhizobial Inoculation on Photosynthesis and Grain Yield of Rice (2002) (73)
- Integrating best management practices for rice with farmers’ crop management techniques: A potential option for minimizing rice yield gap (2013) (72)
- Estimation of legume symbiotic dependence: an evaluation of techniques based on 15N dilution (1999) (70)
- Human-Soil Relations are Changing Rapidly: Proposals from SSSA's Cross-Divisional Soil Change Working Group (2011) (68)
- Growth and N2-fixation of two stem-nodulating legumes and their effect as green manure on lowland rice (1990) (68)
- Parameters Affecting Residue Nitrogen Mineralization in Flooded Soils (1994) (68)
- Phylogenetic Analysis of Bradyrhizobium japonicum and Photosynthetic Stem-Nodulating Bacteria from Aeschynomene Species Grown in Separated Geographical Regions (1994) (67)
- Plant-Associated N2 Fixation (C2H2-Reduction) by Five Rice Varieties, and Relationship with Plant Growth Characters as Affected by Straw Incorporation (1986) (67)
- Biological Nitrogen Fixation for Sustainable Agriculture (1992) (64)
- Simulation of Nitrogen Balance in Rice-Wheat Systems of the Indo-Gangetic Plains (2006) (64)
- Rhizobial lipochitooligosaccharide nodulation factors activate expression of the legume early nodulin gene ENOD12 in rice (1998) (63)
- Impact of resource-conserving technologies on productivity and greenhouse gas emissions in the rice-wheat system (2011) (62)
- Isolation and identification of N2-fixing Pseudomonas associated with wetland rice. (1983) (62)
- Nitrate Dynamics during the Aerobic Soil Phase in Lowland Rice‐Based Cropping Systems (1993) (61)
- Weedy Rice: An Emerging Threat for Direct-seeded Rice Production Systems in India (2013) (59)
- Introduction: Assessing opportunities for nitrogen fixation in rice — a frontier project (1997) (57)
- Nitrate in Groundwater and Integration of Nitrogen-Catch Crop in Rice-Sweet Pepper Cropping System (1998) (57)
- Numerical Taxonomy of Photosynthetic Rhizobia Nodulating Aeschynomene Species (1994) (55)
- Survival of Azorhizobium caulinodans in the Soil and Rhizosphere of Wetland Rice under Sesbania rostrata-Rice Rotation (1989) (54)
- Productivity and resource use of direct-(drum)-seeded and transplanted rice in puddled soils in rice–rice and rice–wheat ecosystems (2009) (54)
- Nitrogen Dynamics and Balance in Intensified Rainfed Lowland Rice-Based Cropping Systems (1997) (54)
- Tillage Depth Influence on Soil Nitrogen Distribution and Availability in a Rice Lowland (1996) (52)
- On-farm evaluation of leaf color chart for need-based nitrogen management in irrigated transplanted rice in northwestern India (2007) (52)
- Legumes as Nitrate Catch Crops During the Dry-to-Wet Transition in Lowland Rice Cropping Systems (1994) (51)
- Nondestructive Estimation of Shoot Nitrogen in Different Rice Genotypes (1998) (51)
- Use of 15N-labeled soil in measuring nitrogen fertilizer recovery efficiency in transplanted rice. (2000) (50)
- Comparative efficacy of pretilachlor and hand weeding in managing weeds and improving the productivity and net income of wet-seeded rice in Bangladesh (2012) (49)
- Integrated weed management, a key to success for direct-seeded rice in the Indo-Gangetic Plains (2009) (49)
- Effect of NPK on growth and nitrogen fixation of Sesbania rostrata as a green manure for lowland rice (Oryza sativa L.) (1991) (49)
- Immunological techniques to identify Azospirillum associated with wetland rice. (1982) (48)
- A new nitrogen-fixing species of pseudomonad: Pseudomonas diazotrophicus sp. nov. isolated from the root of wetland rice (1987) (47)
- Estimating N2 fixation by Sesbania rostrata and S. cannabina (syn. S. aculeata) in lowland rice soil by the 15N dilution method (1990) (47)
- Enhancing Soil Quality through Residue Management in a Rice-Wheat System in Fukuoka, Japan (2005) (46)
- Stem-nodule symbiosis and its unusual properties. (1990) (45)
- Novel endophytes of rice form a taxonomically distinct subgroup of Serratia marcescens. (2001) (45)
- Nitrogen-Fixing (C2H2-Reducing) Activity and Plant Growth Characters of 16 Wetland Rice Varieties (1987) (45)
- Antigenic similarity among Anabaena azollae separated from different species of Azolla. (1982) (43)
- Prospects for Permanent Beds for the Rice‐Wheat System (2003) (41)
- Enhancing Soil Nitrogen Use and Biological Nitrogen Fixation in Wetland Rice (1995) (41)
- Poultry litter as a nitrogen and phosphorous source for the rice–wheat cropping system (2009) (40)
- Tomato crop response to short-duration legume green manures in tropical vegetable systems. (2000) (40)
- The fate of markerAzospirillum lipoferum inoculated into rice and its effect on growth, yield and N2 fixation of plants studied by acetylene reduction,15N2 feeding and15N dilution techniques (1986) (38)
- Stability analysis of farmer participatory trials for conservation agriculture using mixed models (2011) (37)
- Achieving the sustainable development goals in agriculture: The crucial role of nitrogen in cereal-based systems (2020) (37)
- Weeds and Weed Management of Rice in Karnataka State, India (2015) (36)
- Performance of site-specific nitrogen management for irrigated transplanted rice in northwestern India (2007) (36)
- Total and organic soil carbon in cropping systems of Nepal (2006) (35)
- Quantifying changes to the global warming potential of rice wheat systems with the adoption of conservation agriculture in northwestern India (2016) (35)
- Evaluation and promotion of resource-conserving tillage and crop establishment techniques in the rice-wheat system of eastern India (2009) (35)
- Optimizing phosphorus fertilization in an intensive vegetable-rice cropping system (2004) (34)
- Nitrogen Dynamics of Various Green Manure Species and the Relationship to Lowland Rice Production (1998) (34)
- Difference in Natural Abundance of 15N in Several Rice (Oryza sativa L.) Varieties: Application for Evaluating N2 Fixation (1987) (34)
- Molecular-marker-facilitated investigation on the ability to stimulate N2 fixation in the rhizosphere by irrigated rice plants (1995) (34)
- Integrating rice and wheat productivity trends using the SAS mixed-procedure and meta-analysis (2006) (34)
- Widespread occurrence of the homologues of the early nodulin (ENOD) genes in Oryza species and related grasses. (1999) (33)
- Prospects and Problems of Biological Nitrogen Fixation in Rice Production: A Critical Assessment (1993) (33)
- Isolation, analysis and expression of homologues of the soybean early nodulin gene GmENOD93 (GmN93) from rice. (1998) (33)
- Expression of the legume symbiotic lectin genes psl and gs52 promotes rhizobial colonization of roots in rice (2005) (33)
- Effects of 5-hydroxylysine on acetylene reduction and NH4+-assimilation in the cyanobacterium Anabaena cylindrica. (1978) (32)
- Nitrogen Fixation in Rice (2002) (32)
- The fate of marker Azospirillum lipoferum inoculated into rice and its effect on growth , yield and N 2 fixation of plants studied by acetylene reduction , lSN 2 feeding and lSN dilution techniques (32)
- Sustaining productivity of lowland rice soils: issues and options related to N availability (2004) (31)
- Evaluation of press mud cake as a source of nitrogen and phosphorus for rice–wheat cropping system in the Indo-Gangetic plains of India (2008) (31)
- Agronomic and economic evaluation of Sesbania rostrata green manure establishment in irrigated rice (1995) (30)
- A Research Road Map for Responsible Use of Agricultural Nitrogen (2021) (30)
- Composition ofAzospirillum species associated with wetland rice plant grown in different soils (1987) (30)
- Crop residue effects on nitrogen mineralization, microbial biomass, and rice yield in submerged soils (1995) (30)
- Nitrate pollution in groundwater and strategies to reduce pollution. (2002) (30)
- Nitrogen Dynamics of Grain Legume–Weedy Fallow–Flooded Rice Sequences in the Tropics (1995) (29)
- Influence of available nitrogen and rice genotype on associative dinitrogen fixation (1999) (29)
- Biofertilizer germplasm collections at IRRI. (1992) (29)
- Rice Production Systems (2017) (29)
- Differential colonization of Azospirillum lipoferum on roots of two varieties of rice (Oryza sativa L.) (1987) (28)
- Spatial and seasonal distribution of nitrate-N in groundwater beneath the rice–wheat cropping system of India: a geospatial analysis (2011) (28)
- Opportunities for Biological Nitrogen Fixation in Rice and Other Non-Legumes (1997) (27)
- Epiphytic Occurrence of Azorhizobium caulinodans and Other Rhizobia on Host and Nonhost Legumes (1989) (26)
- Enhancing Eco-Efficiency in the intensive cereal-based systems of the Indo-Gangetic plains (2012) (26)
- Effect of growing rice on nitrogen mineralization in flooded soil (1997) (25)
- Recycling in situ of Legume-Fixed and Soil Nitrogen in Tropical Lowland Rice (1998) (24)
- Assessing the performance of the photo‐acoustic infrared gas monitor for measuring CO2, N2O, and CH4 fluxes in two major cereal rotations (2014) (24)
- Chapter Two – Preventive Weed Management in Direct-Seeded Rice: Targeting the Weed Seedbank (2017) (24)
- Nodule Bacteroids and Anabaena: Natural 15N Enrichment in the Legume-Rhizobium and Azolla-Anabaena Symbiotic Systems (1987) (24)
- Improvement of cereal-based cropping systems following the principles of conservation agriculture under changing agricultural scenarios in Bangladesh (2015) (24)
- Sesbania rostrata as a green manure for lowland rice: Growth, N2 fixation,Azorhizobium sp. inoculation, and effects on succeeding crop yields and nitrogen balance (1989) (24)
- Non-allelic interaction conditioning spikelet sterility in an F2 population of indica/japonica cross in rice (1995) (24)
- Carbon management for sustainability of an intensively managed rice-based cropping system (2002) (22)
- Sustainability of the rice-wheat system in Pakistan's Punjab: how large is the problem? (2003) (20)
- Effect of inorganic N and organic fertilizers on nitrogen-fixing (acetylene-reducing) activity associated with wetland rice plants (1989) (20)
- Simulating environmental impact of resource-conserving technologies in the rice-wheat system of the Indo-Gangetic Plains (2009) (19)
- Synchronizing N Release from Organic Residues: Opportunities for Integrated Management of N (2001) (18)
- Changes in auxin distribution patterns during lateral root development in rice (2010) (18)
- Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India (2021) (17)
- Economic weed management approaches for rice in Asia. (2013) (17)
- Experiences with permanent beds in the rice-wheat systems of the western Indo-Gangetic Plain (2008) (17)
- Resource conserving technologies: transforming the rice-wheat systems of the Indo-Gangetic Plains. Rice-wheat Consortium - a success story. (2002) (17)
- Resource Management in Rice Systems: Nutrients (1999) (17)
- ANTIGENIC ANALYSIS OF ANABAENA AZOLLAE AND THE ROLE OF LECTIN IN THE AZOLLA–ANABAENA SYMBIOSIS (1984) (16)
- Stem-nodulating legumes as green manures for lowland rice. (1988) (16)
- Improving food security through integrated crop and resource management in the rice-wheat system in Nepal (2009) (16)
- Biological N 2 fixation by heterotrophic and phototrophic bacteria in association with straw (1995) (16)
- Enhancing Productivity of Rice-Wheat System Through Integrated Crop Management in the Eastern-Gangetic Plains of South Asia (2006) (15)
- Nitrogen accumulation and changes in natural 15N abundance in the tissues of legumes with emphasis on N2 fixation by stem-nodulating plants in upland and paddy fields (1991) (15)
- Influence of phosphorus or phosphorus-potassium fertilization on biomass and dinitrogen fixation of the stem-nodulating green-manure legume Sesbania rostrata in different marginally productive wetland rice soils (1995) (15)
- Efficacy of three 15N labelling techniques for estimating below-ground N in Sesbania rostrata (2002) (15)
- ROLE OF INDIGO IN IMPROVING THE PRODUCTIVITY OF RAINFED LOWLAND RICE-BASED CROPPING SYSTEMS (1999) (14)
- Can Symbiotic Nitrogen Fixation be Extended to Rice (1995) (14)
- Sesbania Phosphorus Requirements When Used as Biofertilizer for Long-Term Rice Cultivation (1997) (14)
- Comparison of soil properties between continuously cultivated and adjacent uncultivated soils in rice-based systems (2009) (14)
- A plant sampling procedure for acetylene reduction assay to detect rice varietal differences in ability to stimulate N2 fixation (1988) (14)
- Nitrogen Dynamics in Lowland Rice as Affected by Crop Establishment and Nitrogen Management (2007) (13)
- Alteration of cyanobacterial glutamine synthetase activity in vivo in response to light and NH4+ (1979) (13)
- Blue-green algae (cyanobacteria) - some aspects related to their role as sources of fixed nitrogen in paddy [rice] soils [studies conducted in Scotland] (1978) (12)
- Possible approaches for ecological weed management in direct-seeded rice in a changing world. (2011) (12)
- Growing Rice in Eastern India: New Paradigms of Risk Reduction and Improving Productivity (2017) (12)
- Preventive Weed Management in Direct-Seeded Rice (2017) (11)
- Genetic control of heterocyst formation in the blue-Green algae Nostoc muscorum and nostoc linckia (1977) (11)
- Quantifying N leaching losses as a function of N balance: A path to sustainable food supply chains (2022) (11)
- Laboratory acetylene reduction assay for relative measurement of N2-fixing activities associated with field-grown wetland rice plants (1986) (9)
- Round Table: Agriculture 2020: 8 billion people (1998) (9)
- Using remote sensing technologies to enhance resource conservation and agricultural productivity in underutilized lands of South Asia (2012) (9)
- Stem-nodulating legumes as relay-cropped or intercropped green manures for lowland rice (1995) (9)
- Evaluation of drill seeding patterns and nitrogen management strategies for wet and dry land rice (2013) (9)
- Steady agronomic and genetic interventions are essential for sustaining productivity in intensive rice cropping (2021) (9)
- Managing Pressmud Cake for Nitrogen and Phosphorus Nutrition of Crops in A Rice-Wheat Rotation (2011) (8)
- The effects on N2 fixation (C2H2 reduction), bacterial population and rice plant growth of two modes of straw application to a wetland rice field (1987) (8)
- Sustaining the Green Revolution by resource conserving technologies: the Rice-Wheat Consortium's example. (2000) (8)
- Effect of different irrigation and tillage methods on yield and resource use efficiency of boro rice (Oryza sativa). (2014) (8)
- The evergreen revolution : six ways to empower India’s no-burn agricultural future (2017) (8)
- Improving the recovery efficiency of fertilizer nitrogen in cereals (2005) (8)
- Nutrient amendments influence endophytic colonization of rice by Serratia marcescens IRBG500 and Herbaspirillum seropedicae Z67 (2000) (8)
- Biological nitrogen fixation and prospects for ecological intensification in cereal-based cropping systems (2022) (7)
- Estimation of biological N2 fixation and its contribution to nitrogen balance in wetland rice fields. (1990) (7)
- Epiphytic Occurrence of Azorhizobium caulinodans and Other Rhizobia on Host and Nonhost Legumes (1989) (7)
- Biological nitrogen fixation for sustainable agriculture : extended versions of papers presented in the Symposium, Role of Biological Nitrogen Fixation in Sustainable Agriculture, at the 13th Congress of Soil Science, Kyoto, Japan, 1990 (1992) (7)
- Climate Change and Nitrogen Turnover in Soils and Aquatic Environments (2020) (7)
- Happy seeder technology provides an alternate to burning for managing rice loose straw after combine harvest (2009) (7)
- Antigenic relationship of N2-fixing Pseudomonas strain H8 to various known cultures and rice rhizosphere isolates studied by indirect enzyme-linked immunosorbent assay (ELISA) (1986) (7)
- STUDIES ON N2 FIXATION BY FREE-LIVING AND RICE PLANT-ASSOCIATED BACTERIA IN WETLAND RICE FIELD (1986) (7)
- Exploring the Genetic Potential of Rice for Forming Symbiotic Associations with Rhizobia (2000) (6)
- Role of Biological Nitrogen Fixation in Replenishing Soil Nitrogen Pool in Cropping Systems (1998) (6)
- Relative contributions to nitrogenase (acetylene reducing) activity of stem and root nodules in Sesbania rostrata (1992) (6)
- Resource-conserving technologies in the rice-wheat system of South Asia, field evaluation and simulation analysis (2009) (5)
- DEVELOPMENTAL STAGES IN A NONHETEROCYSTOUS FILAMENTOUS CYANOPHYTE (1975) (5)
- Nutrient Balances in a rice\u2013vegetable system: a case study of an intensive cropping system in Ilocos Norte, the Philippines (2001) (5)
- Adaptation of green manure legumes to adverse conditions in rice lowlands (1996) (5)
- Some characteristics of two morphological mutants of Nostoc linckia induced by nitrosoguanidine. (1977) (5)
- Evaluation of lacZ and gusA markers to study rhizobial colonization in rice roots. (2000) (5)
- Ecology and Plant Growth-Promoting Activities of the Natural Association between Rhizobium Leguminosarum Bv. Trifolii and Rice Roots (1999) (5)
- Standardization of acetylene reduction assay with field-grown aquatic legume. (1990) (5)
- Natural Beneficial Association of Rhizobium leguminosarum bv. trifolii and Rice Roots and its Relevance to Sustainable Agriculture (1998) (4)
- Current NPP cannot predict future soil organic carbon sequestration potential. Comment on “Photosynthetic limits on carbon sequestration in croplands” (2022) (4)
- Strengthening Farmers’ Knowledge for Better Weed Management in Developing Countries (2014) (4)
- Heterocyst division in two blue-green algae (2004) (4)
- Antigenic Analysis of Anabaena Azollae and Presence of Lectin in Azolla-Anabaena Association (1984) (4)
- Biotechnological approaches to rice genetic improvement (1994) (3)
- Isotope 15N enrichment of soil-ammonium N as a reference to estimate N2 fixation by stem and root-inoculated S. rostrata (1992) (3)
- Improving Resource Use Efficiency of Cereal Based Cropping Systems with Integration of Best Management with Conservation Agriculture Under Changing Agricultural Scenarios in Cauvery Delta of Tamil Nadu (2016) (3)
- Recycling of residual soil nitrogen in a lowland rice-sweet pepper cropping system (2000) (3)
- Response to “The “4p1000” initiative: A new name should be adopted” by Baveye and White (2019) (2019) (3)
- Nitrogen Fixation in Rice: Objectives and Achievements (2000) (3)
- Technology targeting in underused lands in the Gangetic Plains of South Asia (2009) (3)
- The Role of Soil Carbon Sequestration in Enhancing Human Resilience in Tackling Global Crises including Pandemics (2022) (3)
- Assessing the genetic propensity of rice for nodulation. (2003) (2)
- YIELD TRENDS AND APPARENT NUTRIENT BALANCES IN INTENSIFIED AND DIVERSIFIED RICE-BASED CROPPING SYSTEMS (1999) (2)
- Effects of planting method and optimum seeding rate on biomass production and nitrogen fixation in Sesbania rostrata. (1990) (2)
- A global analysis of alternative tillage and crop establishment practices for economically and environmentally efficient rice production (2017) (2)
- Seeding vs. vegetative propagations of the stem-nodulating green manure Sesbania rostrata (1988) (2)
- Nitrogen fixation with non-legumes : proceedings of the 7th International Symposium on Nitrogen Fixation with Non-Legumes, held 16-21 October 1996 in Faisalabad, Pakistan (1998) (1)
- Comparative Studies of Growth and Nitrogen Fixation in Certain Subclones of the Cyanophyte Gloeocapsa1)1)Dedicated to Professor K. Mothes on the anniversary of his 75th birthday. (1976) (1)
- Variability of nitrogen fixation in some isolates of Nostoc linckia. (1977) (1)
- Weed management role in increasing crop yield and doubling rice farmers’ income in India - An analysis (2017) (1)
- Economic feasibility, production potential and nitrogen behavior in intensively cultivated rice-based cropping systems in Northern Luzon, Philippines. (1997) (1)
- RESPONSE OF A WILD‐TYPE AND A NON‐NITROGEN‐FIXING MUTANT OF NOSTOC LINCKIA TO DIFFERENT CARBON SOURCES (1977) (1)
- Effect of Indigo and Maize as Nitrogen Catch Crops on Root Growth and Nitrogen Use in Rice in Rainfed Lowland Ecosystems in Northern Philippines. (2000) (1)
- Weeds and weed control in finger millet in India - A review (2015) (1)
- Effects of some amino acid analogues on growth and heterocyst formation in the blue-green algaNostoc linckia (2014) (1)
- Effect of different agronomic management practices on beneficial soil micro-organisms. (1999) (1)
- Chlorophyll Meter-Based N Management for Rice Grown in Soils Amended with Organic Manure (2003) (1)
- Increasing input resources use efficiency through appropriate weed management in Indian agriculture (2017) (0)
- Integrated Crop Management for Enhancing Productivity and Profitability of Rice-wheat System in Nepal (2008) (0)
- Long-term effects of residue incorporation on soil microbiological properties in a rice-wheat system in Fukuoka, Japan(The annual Meeting of the Society in 2005) (2005) (0)
- Occurrence of the Homologues of the Early odulin ( ENOD ) Genes in Oryza Species nd Related Grasses (1999) (0)
- Effect of External cAMP on Growth, Cell Differentiation and Nitrogenase Activity of Nostoc linckia (1978) (0)
- Diversity of Endophytic Diazotrophs and Mechanism of Endophytic Colonization in Deepwater Rice (2000) (0)
- Resource Use Efficient and Productive Rice-Based Systems for South Asia (2011) (0)
- Resource management in rice systems : nutrients : papers presented at the International Workshop on Natural Resource Management in Rice Systems: Technology Adaptation for Efficient Nutrient Use, Bogor, Indonesia, 2-5 December 1996 (1999) (0)
- Predicting nitrate leaching loss in temperate rainfed cereal crops: relative importance of management and environmental drivers (2022) (0)
- Nature of the Beneficial Rhizobium leguminosarum Bv. Trifolii — Rice Association (2002) (0)
- Some characteristics of two morphological mutants of Nostoc linckia induced by nitrosoguanidine (1977) (0)
- Strategies to estimate inherent soil N-supplying capacity in rice-rice and rice-wheat systems. (2005) (0)
- Integrated Crop and Resource Management on Rice-wheat System and Management of Marginal Uplands in Rice-based Cropping Systems in The Hills of Nepal (2008) (0)
- Screening of aquatic legumes as green manures for lowland rice (1992) (0)
- Conservation and use of soil and atmospheric nitrogen through legumes in lowland rice-based cropping systems (1990) (0)
- Dynamics, balance and recycling of nitrogen in lowland rice-based cropping system. (2001) (0)
- Future benefits from biological nitrogen fixation: an ecological approach to agriculture (1995) (0)
- Cooperative aspects of the research programs on biological nitrogen fixation at IRRI (1985) (0)
- Green manure potential of Sesbania rostrata for rice. (2002) (0)
- Biological and Synthetic Sources of Nitrogen – Can They be Complimentary? (2013) (0)
- Studies from global regions indicate promising avenues for maintaining and increasing soil organic carbon stocks (2022) (0)
- Nitrogen Fixation and Sustainable Agriculture (1995) (0)
- Corrigendum to “Improvement of cereal-based cropping systems following the principles of conservation agriculture under changing agricultural scenarios in Bangladesh” [Field Crops Res. 175 (April) (2015) 1–15] (2015) (0)
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