All Stories

  1. Steady agronomic and genetic interventions are essential for sustaining productivity in intensive rice cropping

    Article • Proceedings of the National Academy of Sciences, November 2021, Proceedings of the National Academy of Sciences

    Dr Jagdish Kumar Ladha

  2. Preventive Weed Management in Direct-Seeded Rice

    Article • January 2017, Elsevier

    Dr Jagdish Kumar Ladha

  3. Quantifying changes to the global warming potential of rice wheat systems with the adoption of conservation agriculture in northwestern India

    Article • Agriculture Ecosystems & Environment, March 2016, Elsevier

    Dr Jagdish Kumar Ladha

  4. Climate Change and Nitrogen Turnover in Soils and Aquatic Environments

    Article • January 2016, Caister Academic Press

    Dr Jagdish Kumar Ladha

  5. Agronomic improvements in cereals in South Asia

    Article • Global Change Biology, December 2015, Wiley

    Dr Jagdish Kumar Ladha

  6. Weeds and Weed Management of Rice in Karnataka State, India

    Article • Weed Technology, March 2015, Cambridge University Press

    Dr Jagdish Kumar Ladha

  7. Effect of different irrigation and tillage methods on yield and resource use efficiency of boro rice (Oryza sativa)

    Article • Bangladesh Journal of Agricultural Research, August 2014, Bangladesh Journals Online (BanglaJOL)

    Dr Jagdish Kumar Ladha

  8. Reprint of “Optimizing intensive cereal-based cropping systems addressing current and future drivers of agricultural change in the Northwestern Indo-Gangetic Plains of India”

    Article • Agriculture Ecosystems & Environment, April 2014, Elsevier

    Dr Jagdish Kumar Ladha

  9. Strengthening Farmers’ Knowledge for Better Weed Management in Developing Countries

    Article • January 2014, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  10. Assessing the performance of the photo-acoustic infrared gas monitor for measuring CO2, N2O, and CH4fluxes in two major cereal rotations

    Article • Global Change Biology, November 2013, Wiley

    Dr Parbodh Chander Sharma, Dr Jagdish Kumar Ladha

  11. Optimizing intensive cereal-based cropping systems addressing current and future drivers of agricultural change in the northwestern Indo-Gangetic Plains of India

    Article • Agriculture Ecosystems & Environment, September 2013, Elsevier

    Dr Jagdish Kumar Ladha

  12. Evaluation of drill seeding patterns and nitrogen management strategies for wet and dry land rice

    Article • Bangladesh Journal of Agricultural Research, March 2013, Bangladesh Journals Online (BanglaJOL)

    Dr Jagdish Kumar Ladha

  13. Weed Management Strategies to Reduce Herbicide Use in Zero-Till Rice–Wheat Cropping Systems of the Indo-Gangetic Plains

    Article • Weed Technology, March 2013, Weed Science Society

    Dr Jagdish Kumar Ladha

  14. Integrating best management practices for rice with farmers’ crop management techniques: A potential option for minimizing rice yield gap

    Article • Field Crops Research, March 2013, Elsevier

    Dr Jagdish Kumar Ladha

  15. Using remote sensing technologies to enhance resource conservation and agricultural productivity in underutilized lands of South Asia

    Article • Applied Geography, March 2012, Elsevier

    Dr Jagdish Kumar Ladha

  16. Electrical and magnetic properties of nanosized Mg0.2Mn0.5Ni0.3AlyFe2-yO4 ferrites

    Article • January 2012, American Institute of Physics

    Dr Jagdish Kumar Ladha

  17. Stability analysis of farmer participatory trials for conservation agriculture using mixed models

    Article • Field Crops Research, April 2011, Elsevier

    Dr Jagdish Kumar Ladha

  18. Direct-seeded rice culture in Sri Lanka: Lessons from farmers

    Article • Field Crops Research, February 2011, Elsevier

    Dr Jagdish Kumar Ladha

  19. Direct Seeding of Rice

    Article • January 2011, Elsevier

    Dr Jagdish Kumar Ladha

  20. Role of Nitrogen Fertilization in Sustaining Organic Matter in Cultivated Soils

    Article • Journal of Environmental Quality, January 2011, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  21. Impact of resource-conserving technologies on productivity and greenhouse gas emissions in the rice-wheat system

    Article • Greenhouse Gases Science and Technology, January 2011, Wiley

    Dr Jagdish Kumar Ladha

  22. Tillage and Crop Establishment Affects Sustainability of South Asian Rice–Wheat System

    Article • Agronomy Journal, January 2011, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  23. Soil Aggregation and Associated Organic Carbon Fractions as Affected by Tillage in a Rice–Wheat Rotation in North India

    Article • Soil Science Society of America Journal, January 2011, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  24. Effect of Tillage and Crop Establishment Methods on Physical Properties of a Medium-Textured Soil under a Seven-Year Rice−Wheat Rotation

    Article • Soil Science Society of America Journal, January 2011, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  25. Spatial and seasonal distribution of nitrate-N in groundwater beneath the rice–wheat cropping system of India: a geospatial analysis

    Article • Environmental Monitoring and Assessment, September 2010, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  26. Changes in auxin distribution patterns during lateral root development in rice

    Article • Plant Science, June 2010, Elsevier

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha

  27. Evaluation of alternative tillage and crop establishment methods in a rice–wheat rotation in North Western IGP

    Article • Field Crops Research, April 2010, Elsevier

    Dr Jagdish Kumar Ladha

  28. Evaluation of precision land leveling and double zero-till systems in the rice–wheat rotation: Water use, productivity, profitability and soil physical properties

    Article • Soil and Tillage Research, September 2009, Elsevier

    Dr Jagdish Kumar Ladha

  29. Comparison of soil properties between continuously cultivated and adjacent uncultivated soils in rice-based systems

    Article • Biology and Fertility of Soils, February 2009, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  30. Weed management in aerobic rice systems under varying establishment methods

    Article • Crop Protection, March 2008, Elsevier

    Dr Jagdish Kumar Ladha

  31. Performance of site-specific nitrogen management for irrigated transplanted rice in northwestern India

    Article • Archives of Agronomy and Soil Science, October 2007, Taylor & Francis

    Dr Jagdish Kumar Ladha

  32. On-farm evaluation of leaf color chart for need-based nitrogen management in irrigated transplanted rice in northwestern India

    Article • Nutrient Cycling in Agroecosystems, April 2007, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  33. Sustainability of the Rice-Wheat Cropping System

    Article • Journal of Crop Improvement, March 2007, Taylor & Francis

    Dr Jagdish Kumar Ladha

  34. Variability of nitrogen fixation in some isolates of Nostoc linckia

    Article • Journal of Basic Microbiology, January 2007, Wiley

    Dr Jagdish Kumar Ladha

  35. Saving of Water and Labor in a Rice–Wheat System with No-Tillage and Direct Seeding Technologies

    Article • Agronomy Journal, January 2007, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  36. Weed Management in Direct‐Seeded Rice

    Article • January 2007, Elsevier

    Dr Jagdish Kumar Ladha

  37. Organic Amendments Affect Soil Parameters in Two Long-Term Rice-Wheat Experiments

    Article • Soil Science Society of America Journal, January 2007, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  38. Total and organic soil carbon in cropping systems of Nepal

    Article • Nutrient Cycling in Agroecosystems, August 2006, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  39. Weed management in dry-seeded rice (Oryza sativa) cultivated in the furrow-irrigated raised-bed planting system

    Article • Crop Protection, May 2006, Elsevier

    Dr Jagdish Kumar Ladha

  40. Enhancing Productivity of Rice-Wheat System Through Integrated Crop Management in the Eastern-Gangetic Plains of South Asia

    Article • Journal of Crop Improvement, January 2006, Taylor & Francis

    Dr Jagdish Kumar Ladha

  41. Integrating rice and wheat productivity trends using the SAS mixed-procedure and meta-analysis

    Article • Field Crops Research, January 2006, Elsevier

    Dr Jagdish Kumar Ladha

  42. Simulation of Nitrogen Balance in Rice–Wheat Systems of the Indo-Gangetic Plains

    Article • Soil Science Society of America Journal, January 2006, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  43. Enhancing Soil Quality through Residue Management in a Rice-Wheat System in Fukuoka, Japan

    Article • Soil Science & Plant Nutrition, October 2005, Taylor & Francis

    Dr Jagdish Kumar Ladha

  44. Expression of the legume symbiotic lectin genes psl and gs52 promotes rhizobial colonization of roots in rice

    Article • Plant Science, October 2005, Elsevier

    Dr Jagdish Kumar Ladha

  45. Efficiency of Fertilizer Nitrogen in Cereal Production: Retrospects and Prospects

    Article • January 2005, Elsevier

    Dr Jagdish Kumar Ladha

  46. Optimizing phosphorus fertilization in an intensive vegetable-rice cropping system

    Article • Biology and Fertility of Soils, August 2004, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  47. Calibrating the Leaf Color Chart for Nitrogen Management in Different Genotypes of Rice and Wheat in a Systems Perspective

    Article • Agronomy Journal, January 2004, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  48. Mitigating Greenhouse Gas Emissions from Rice-Wheat Cropping Systems in Asia

    Article • January 2004, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  49. Assessing the Reliability of Permanganate-Oxidizable Carbon as an Index of Soil Labile Carbon

    Article • Soil Science Society of America Journal, January 2004, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  50. Mitigating Greenhouse Gas Emissions from Rice–Wheat Cropping Systems in Asia

    Article • Environment Development and Sustainability, January 2004, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  51. Assessing the Reliability of Permanganate-Oxidizable Carbon as an Index of Soil Labile Carbon

    Article • Soil Science Society of America Journal, January 2004, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  52. Nitrogen fixation in rice systems: state of knowledge and future prospects

    Article • Plant and Soil, May 2003, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  53. The Researcher–Farmer Interface in Rice–Wheat Systems: Moving from Agricultural Productivity to Livelihoods

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  54. Managing Crop Residues in the Rice–Wheat System of the Indo-Gangetic Plain

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  55. Technology Options for Rice in the Rice–Wheat System in South Asia

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  56. Sustainability of Post-Green Revolution Agriculture: The Rice–Wheat Cropping Systems of the Indo-Gangetic Plains and China

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  57. Soil Physical Effects of Puddling in Rice–Wheat Cropping Systems

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  58. Productivity Trends in Intensive Rice–Wheat Cropping Systems in Asia

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  59. Front Matter

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  60. Resource-Conserving Technologies for Wheat in the Rice–Wheat System

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  61. Sustainability of the Rice–Wheat System in Pakistan's Punjab: How Large is the Problem?

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  62. Long-Term Sustainability of the Tropical and Subtropical Rice–Wheat System: An Environmental Perspective

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  63. Prospects for Permanent Beds for the Rice–Wheat System

    Article • January 2003, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  64. Carbon management for sustainability of an intensively managed rice-based cropping system

    Article • Biology and Fertility of Soils, October 2002, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  65. Infection and Colonization of Rice Seedlings by the Plant Growth-Promoting Bacterium Herbaspirillum seropedicae Z67

    Article • Molecular Plant-Microbe Interactions, September 2002, Scientific Societies

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha, Prof. Fabio Lopes Olivares

  66. Herbaspirillum colonization increases growth and nitrogen accumulation in aluminium-tolerant rice varieties

    Article • New Phytologist, April 2002, Wiley

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha

  67. Influence of Rhizobial Inoculation on Photosynthesis and Grain Yield of Rice

    Article • Agronomy Journal, January 2002, American Society of Agronomy

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha

  68. Influence of Rhizobial Inoculation on Photosynthesis and Grain Yield of Rice

    Article • Agronomy Journal, January 2002, American Society of Agronomy

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha

  69. Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India

    Article • Agronomy Journal, January 2002, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  70. Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India

    Article • Agronomy Journal, January 2002, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  71. Nitrogen Fixation in Rice

    Article • January 2002, Elsevier

    Dr Jagdish Kumar Ladha

  72. Endophytic Colonization of Rice by a Diazotrophic Strain of Serratia marcescens

    Article • Journal of Bacteriology, April 2001, ASM Journals

    Dr Jagdish Kumar Ladha

  73. Novel Endophytes of Rice form a Taxonomically Distinct Subgroup of Serratia marcescens

    Article • Systematic and Applied Microbiology, January 2001, Elsevier

    Dr Gyaneshwar Prasad, Dr Jagdish Kumar Ladha

  74. Dynamics, balance and recycling of nitrogen in lowland rice-based cropping system

    Article • January 2001, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  75. Legume Decomposition and Nitrogen Release When Applied as Green Manures to Tropical Vegetable Production Systems

    Article • Agronomy Journal, January 2000, American Society of Agronomy

    Professor David J Midmore, Dr Jagdish Kumar Ladha

  76. Tomato Crop Response to Short-Duration Legume Green Manures in Tropical Vegetable Systems

    Article • Agronomy Journal, January 2000, American Society of Agronomy

    Professor David J Midmore, Dr Jagdish Kumar Ladha

  77. Legume Decomposition and Nitrogen Release When Applied as Green Manures to Tropical Vegetable Production Systems

    Article • Semigroup Forum, January 2000, Springer Science + Business Media

    Professor David J Midmore, Dr Jagdish Kumar Ladha

  78. Tomato Crop Response to Short-Duration Legume Green Manures in Tropical Vegetable Systems

    Article • Semigroup Forum, January 2000, Springer Science + Business Media

    Professor David J Midmore, Dr Jagdish Kumar Ladha

  79. Rhizobial Inoculation Influences Seedling Vigor and Yield of Rice

    Article • Agronomy Journal, January 2000, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  80. Rhizobia Inoculation Improves Nutrient Uptake and Growth of Lowland Rice

    Article • Soil Science Society of America Journal, January 2000, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  81. Recycling of Residual Soil Nitrogen in a Lowland Rice–Sweet Pepper Cropping System

    Article • Soil Science Society of America Journal, January 2000, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  82. Long-Term Effects of Urea and Green Manure on Rice Yields and Nitrogen Balance

    Article • Soil Science Society of America Journal, January 2000, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  83. Use of N-Labeled Soil in Measuring Nitrogen Fertilizer Recovery Efficiency in Transplanted Rice

    Article • Soil Science Society of America Journal, January 2000, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  84. Estimation of legume symbiotic dependence: an evaluation of techniques based on 15N dilution

    Article • Soil Biology and Biochemistry, December 1999, Elsevier

    Dr Jagdish Kumar Ladha

  85. Rice ENOD40: isolation and expression analysis in rice and transgenic soybean root nodules

    Article • The Plant Journal, April 1999, Wiley

    Dr Jagdish Kumar Ladha

  86. Resource Management in Rice Systems: Nutrients

    Article • January 1999, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  87. Influence of Available Nitrogen and Rice Genotype on Associative Dinitrogen Fixation

    Article • Soil Science Society of America Journal, January 1999, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  88. Sustaining productivity of lowland rice soils: issues and options related to N availability

    Article • January 1999, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  89. Genotypic variation in nitrogen use efficiency in medium- and long-duration rice

    Article • Field Crops Research, July 1998, Elsevier

    Dr Jagdish Kumar Ladha

  90. Rhizobial lipochitooligosaccharide nodulation factors activate expression of the legume early nodulin gene ENOD12 in rice

    Article • The Plant Journal, June 1998, Wiley

    Dr Jagdish Kumar Ladha

  91. Opportunities for increased nitrogen-use efficiency from improved lowland rice germplasm

    Article • Field Crops Research, March 1998, Elsevier

    Dr Jagdish Kumar Ladha

  92. Opportunities to manipulate nutrient-by-water interactions in rainfed lowland rice systems

    Article • Field Crops Research, March 1998, Elsevier

    Dr Jagdish Kumar Ladha

  93. Recycling in situ of Legume-Fixed and Soil Nitrogen in Tropical Lowland Rice

    Article • Agronomy Journal, January 1998, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  94. Nitrogen Dynamics of Various Green Manure Species and the Relationship to Lowland Rice Production

    Article • Agronomy Journal, January 1998, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  95. Nondestructive Estimation of Shoot Nitrogen in Different Rice Genotypes

    Article • Agronomy Journal, January 1998, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  96. Nitrogen Fixation with Non-Legumes

    Article • January 1998, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  97. Nitrate in Groundwater and Integration of Nitrogen-Catch Crop in Rice-Sweet Pepper Cropping System

    Article • Soil Science Society of America Journal, January 1998, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  98. Role of Biological Nitrogen Fixation in Replenishing Soil Nitrogen Pool in Cropping Systems

    Article • January 1998, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  99. Sesbania Phosphorus Requirements When Used as Biofertilizer for Long-Term Rice Cultivation

    Article • Soil Science Society of America Journal, January 1997, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  100. Opportunities for Biological Nitrogen Fixation in Rice and Other Non-Legumes

    Article • January 1997, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  101. Effect of Growing Rice on Nitrogen Mineralization in Flooded Soil

    Article • Soil Science Society of America Journal, January 1997, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  102. Isolation of endophytic diazotrophic bacteria from wetland rice

    Article • January 1997, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  103. Isolation of endophytic diazotrophic bacteria from wetland rice

    Article • January 1997, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  104. Introduction: Assessing opportunities for nitrogen fixation in rice - a frontier project

    Article • January 1997, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  105. Nitrogen Dynamics and Balance in Intensified Rainfed Lowland Rice-Based Cropping Systems

    Article • Soil Science Society of America Journal, January 1997, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  106. Introduction: Assessing opportunities for nitrogen fixation in rice — a frontier project

    Article • January 1997, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  107. Adaptation of green manure legumes to adverse conditions in rice lowlands

    Article • Biology and Fertility of Soils, October 1996, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  108. Tillage Depth Influence on Soil Nitrogen Distribution and Availability in a Rice Lowland

    Article • Soil Science Society of America Journal, January 1996, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  109. Genotypic Variation in Promotion of Rice Dinitrogen Fixation as Determined by Nitrogen-15 Dilution

    Article • Soil Science Society of America Journal, January 1996, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  110. Molecular-marker-facilitated investigation on the ability to stimulate N2 fixation in the rhizosphere by irrigated rice plants

    Article • Theoretical and Applied Genetics, December 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  111. Non-allelic interaction conditioning spikelet sterility in an F2 population of indica/japonica cross in rice

    Article • Theoretical and Applied Genetics, November 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  112. Enhancing Soil Nitrogen Use and Biological Nitrogen Fixation in Wetland Rice

    Article • Experimental Agriculture, July 1995, Cambridge University Press

    Dr Jagdish Kumar Ladha

  113. Stem-nodulating legumes as relay-cropped or intercropped green manures for lowland rice

    Article • Field Crops Research, July 1995, Elsevier

    Dr Jagdish Kumar Ladha

  114. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production?

    Article • Plant and Soil, July 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  115. Enhancing legume N2 fixation through plant and soil management

    Article • Plant and Soil, July 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  116. Green manure technology: Potential, usage, and limitations. A case study for lowland rice

    Article • Plant and Soil, July 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  117. Biological N2 fixation by heterotrophic and phototrophic bacteria in association with straw

    Article • Plant and Soil, July 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  118. Efficient management of soil and biologically fixed N2 in intensively-cultivated rice fields

    Article • Soil Biology and Biochemistry, April 1995, Elsevier

    Dr Jagdish Kumar Ladha

  119. Extension of nitrogen fixation to rice ? Necessity and possibilities

    Article • GeoJournal, March 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  120. Agronomic and economic evaluation of Sesbania rostrata green manure establishment in irrigated rice

    Article • Field Crops Research, March 1995, Elsevier

    Dr Jagdish Kumar Ladha

  121. Nitrogen Dynamics of Grain Legume-Weedy Fallow-Flooded Rice Sequences in the Tropics

    Article • Agronomy Journal, January 1995, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  122. Management of Biological Nitrogen Fixation for the Development of More Productive and Sustainable Agricultural Systems

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  123. Management of Biological Nitrogen Fixation for the Development of More Productive and Sustainable Agricultural Systems

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  124. Nitrogen Fixation and Sustainable Agriculture

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  125. Enhancing legume N2 fixation through plant and soil management

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  126. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production?

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  127. Green manure technology: Potential, usage, and limitations. A case study for lowland rice

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  128. Biological N2 fixation by heterotrophic and phototrophic bacteria in association with straw

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  129. Can Symbiotic Nitrogen Fixation be Extended to Rice?

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  130. Crop Residue Effects on Nitrogen Mineralization, Microbial Biomass, and Rice Yield in Submerged Soils

    Article • Soil Science Society of America Journal, January 1995, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  131. Green manure technology: Potential, usage, and limitations. A case study for lowland rice

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  132. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production?

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  133. Enhancing legume N2 fixation through plant and soil management

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  134. Biological N2 fixation by heterotrophic and phototrophic bacteria in association with straw

    Article • January 1995, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  135. Legumes as Nitrate Catch Crops During the Dry-to-Wet Transition in Lowland Rice Cropping Systems

    Article • Agronomy Journal, January 1994, American Society of Agronomy

    Dr Jagdish Kumar Ladha

  136. Nitrogen Losses and Lowland Rice Yield as Affected by Residue Nitrogen Release

    Article • Soil Science Society of America Journal, January 1994, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  137. Numerical Taxonomy of Photosynthetic Rhizobia Nodulating Aeschynomene Species

    Article • International Journal of Systematic Bacteriology, January 1994, Society for General Microbiology

    Dr Jagdish Kumar Ladha

  138. Parameters Affecting Residue Nitrogen Mineralization in Flooded Soils

    Article • Soil Science Society of America Journal, January 1994, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  139. Nitrate Dynamics during the Aerobic Soil Phase in Lowland Rice-Based Cropping Systems

    Article • Soil Science Society of America Journal, January 1993, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  140. Estimating Dinitrogen Fixation of Hedgerow Vegetation Using the Nitrogen-15 Natural Abundance Method

    Article • Soil Science Society of America Journal, January 1993, Soil Science Society of America

    Dr Jagdish Kumar Ladha

  141. Preface

    Article • Plant and Soil, March 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  142. Biological nitrogen fixation for sustainable agriculture: A perspective

    Article • Plant and Soil, March 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  143. Biological N2 Fixation in wetland rice fields: Estimation and contribution to nitrogen balance

    Article • Plant and Soil, March 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  144. Biological Nitrogen Fixation for Sustainable Agriculture

    Article • January 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  145. Stem-Nodulating Legume-Rhizobium Symbiosis and Its Agronomic Use in Lowland Rice

    Article • January 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  146. Biological nitrogen fixation for sustainable agriculture: A perspective

    Article • January 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  147. Managing native and legume-fixed nitrogen in lowland rice-based cropping systems

    Article • January 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  148. Biological N2 Fixation in wetland rice fields: Estimation and contribution to nitrogen balance

    Article • January 1992, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  149. Nitrogen accumulation and changes in natural15N abundance in the tissues of legumes with emphasis on N2fixation by stem-nodulating plants in upland and paddy fields

    Article • Soil Science & Plant Nutrition, March 1991, Taylor & Francis

    Dr Jagdish Kumar Ladha

  150. Einfluß von NPK auf die Biomasseproduktion und Stickstoffbindung der stengelknöllchenbildenden GründüngungsleguminosenSesbania rostrata undAeschynomene afraspera im Naßreisanbau

    Article • Journal of Plant Nutrition and Soil Science, January 1990, Wiley

    Dr Jagdish Kumar Ladha

  151. Stem-nodule symbiosis and its unusual properties

    Article • January 1990, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  152. Growth and N2-fixation of two stem-nodulating legumes and their effect as green manure on lowland rice

    Article • Soil Biology and Biochemistry, January 1990, Elsevier

    Dr Jagdish Kumar Ladha

  153. Effect of inorganic N and organic fertilizers on nitrogen-fixing (acetylene-reducing) activity associated with wetland rice plants

    Article • January 1989, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  154. Seeding vs. vegetative propagations of the stem-nodulating green manure Sesbania rostrata

    Article • Biology and Fertility of Soils, August 1988, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  155. Influence of Azospirillum inoculation on the mineral uptake and growth of rice under hydroponic conditions

    Article • Plant and Soil, May 1988, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  156. Difference in Natural Abundance of15N in Several Rice(Oryza sativaL.) Varieties: Application for Evaluating N2Fixation

    Article • Soil Science & Plant Nutrition, September 1987, Taylor & Francis

    Dr Jagdish Kumar Ladha

  157. Nitrogen-Fixing (C2H2-Reducing) Activity and Plant Growth Characters of 16 Wetland Rice Varieties

    Article • Soil Science & Plant Nutrition, June 1987, Taylor & Francis

    Dr Jagdish Kumar Ladha

  158. Nodule Bacteroids and Anabaena: Natural 15N Enrichment in the Legume-Rhizobium and Azolla-Anabaena Symbiotic Systems

    Article • Journal of Plant Physiology, April 1987, Elsevier

    Dr Jagdish Kumar Ladha

  159. Composition ofAzospirillum species associated with wetland rice plant grown in different soils

    Article • Plant and Soil, March 1987, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  160. Plant-Associated N2Fixation (C2H2-Reduction) by Five Rice Varieties, and Relationship with Plant Growth Characters as Affected by Straw Incorporation

    Article • Soil Science & Plant Nutrition, March 1986, Taylor & Francis

    Dr Jagdish Kumar Ladha

  161. ANTIGENIC ANALYSIS OF ANABAENA AZOLLAE AND THE ROLE OF LECTIN IN THE AZOLLA-ANABAENA SYMBIOSIS

    Article • New Phytologist, October 1984, Wiley

    Dr Jagdish Kumar Ladha

  162. Antigenic Analysis of Anabaena Azollae and Presence of Lectin in Azolla-Anabaena Association

    Article • January 1984, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  163. Isolation and identification of nitrogen-fixing Enterobacter cloacae and Klebsiella planticola associated with rice plants

    Article • Canadian Journal of Microbiology, October 1983, Canadian Science Publishing

    Dr Jagdish Kumar Ladha

  164. Isolation and identification of N 2 -fixing Pseudomonas associated with wetland rice

    Article • Canadian Journal of Microbiology, August 1983, Canadian Science Publishing

    Dr Jagdish Kumar Ladha

  165. Immunological techniques to identify Azospirillum associated with wetland rice

    Article • Canadian Journal of Microbiology, May 1982, Canadian Science Publishing

    Dr Jagdish Kumar Ladha

  166. GENETICS OF BLUE-GREEN ALGAE

    Article • Biological Reviews, August 1978, Wiley

    Dr Jagdish Kumar Ladha

  167. RESPONSE OF A WILD-TYPE AND A NON-NITROGEN-FIXING MUTANT OF NOSTOC LINCKIA TO DIFFERENT CARBON SOURCES

    Article • New Phytologist, September 1977, Wiley

    Dr Jagdish Kumar Ladha

  168. Variability of nitrogen fixation in some isolates ofNostoc linckia

    Article • Journal of Basic Microbiology, January 1977, Wiley

    Dr Jagdish Kumar Ladha

  169. Genetic control of heterocyst formation in the blue-Green algae Nostoc muscorum and nostoc linckia

    Article • Archives of Microbiology, January 1977, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  170. Some characteristics of two morphological mutants ofNostoc linckia induced by nitrosoguanidine

    Article • Journal of Basic Microbiology, January 1977, Wiley

    Dr Jagdish Kumar Ladha

  171. Some characteristics of two morphological mutants of Nostoc linckia induced by nitrosoguanidine

    Article • Journal of Basic Microbiology, January 1977, Wiley

    Dr Jagdish Kumar Ladha

  172. DEVELOPMENTAL STAGES IN A NONHETEROCYSTOUS FILAMENTOUS CYANOPHYTE

    Article • New Phytologist, May 1975, Wiley

    Dr Jagdish Kumar Ladha

  173. Heterocyst division in two blue-green algae

    Article • Archives of Microbiology, January 1975, Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  174. Nitrogen Fixation in Rice: Objectives and Achievements

    Article • Springer Science + Business Media

    Dr Jagdish Kumar Ladha

  175. Diversity of Endophytic Diazotrophs and Mechanism of Endophytic Colonization in Deepwater Rice

    Article • Springer Science + Business Media

    Dr Jagdish Kumar Ladha