Jagdish Ladha

Articles in Scholarly Journals [Incomplete List]

  1. Weed management in aerobic rice systems under varying establishment methods
    Crop Protection, vol. 27, no. 3-5, pp. 660–671, 2008
  2. Evaluation of mulching, intercropping with Sesbania and herbicide use for weed management in dry-seeded rice (Oryza sativa L.)
    Crop Protection, vol. 26, no. 4, pp. 518–524, 2007
  3. Performance of site-specific nitrogen management for irrigated transplanted rice in northwestern India
    Archives of Agronomy and Soil Science, vol. 53, no. 5, pp. 567–579, 2007
  4. Evaluation of press mud cake as a source of nitrogen and phosphorus for rice–wheat cropping system in the Indo-Gangetic plains of India
    Biology and Fertility of Soils, 2007
  5. On-farm evaluation of leaf color chart for need-based nitrogen management in irrigated transplanted rice in northwestern India
    Nutrient Cycling in Agroecosystems, vol. 78, no. 2, pp. 167–176, 2007
  6. Sustainability of the Rice-Wheat Cropping System:
    Journal of Crop Improvement, vol. 19, no. 1/2, pp. 125–136, 2007
  7. Nitrogen Dynamics in Lowland Rice as Affected by Crop Establishment and Nitrogen Manangement
    Journal of Crop Improvement, vol. 20, no. 1/2, pp. 89–105, 2007
  8. Saving of Water and Labor in a Rice Wheat System with No-Tillage and Direct Seeding Technologies
    Agronomy Journal, vol. 99, no. 5, pp. 1288–1296, 2007
  9. Organic Amendments Affect Soil Parameters in Two Long-Term Rice-Wheat Experiments
    Soil Science Society of America Journal, vol. 71, no. 2, pp. 442–452, 2007
  10. Yield and Phosphorus Transformations in a Rice Wheat System with Crop Residue and Phosphorus Management
    Soil Science Society of America Journal, vol. 71, no. 5, pp. 1500–1507, 2007
  11. Simulation of Nitrogen Balance in Rice-Wheat Systems of the Indo-Gangetic Plains
    Soil Science Society of America Journal, vol. 70, no. 5, pp. 1612–1622, 2006
  12. Enhancing Productivity of Rice-Wheat System through Integrated Crop Management in the Eastern-Gangetic Plains of South Asia
    Journal of Crop Improvement, vol. 15, no. 1, pp. 147–170, 2006
  13. Long-term yield trend and sustainability of rainfed soybean–wheat system through farmyard manure application in a sandy loam soil of the Indian Himalayas
    Biology and Fertility of Soils, vol. 43, no. 3, pp. 271–280, 2006
  14. Total and organic soil carbon in cropping systems of Nepal
    Nutrient Cycling in Agroecosystems, vol. 75, no. 1-3, pp. 257–269, 2006
  15. Metabolic engineering of rice with soybean isoflavone synthase for promoting nodulation gene expression in rhizobia
    Journal of Experimental Botany, vol. 57, no. 9, pp. 1957–1969, 2006
  16. Integrating rice and wheat productivity trends using the SAS mixed-procedure and meta-analysis
    Field Crops Research, vol. 95, no. 1, pp. 75–88, 2006
  17. Nutrient management for increased productivity of rice–wheat cropping system in Bangladesh
    Field Crops Research, vol. 96, no. 2-3, pp. 374–386, 2006
  18. Weed management in dry-seeded rice (Oryza sativa) cultivated in the furrow-irrigated raised-bed planting system
    Crop Protection, vol. 25, no. 5, pp. 487–495, 2006
  19. Expression of the legume symbiotic lectin genes and promotes rhizobial colonization of roots in rice
    Plant Science, vol. 169, no. 4, pp. 726–736, 2005
  20. Enhancing Soil Quality through Residue Management in a Rice-Wheat System in Fukuoka, Japan
    Soil Science and Plant Nutrition, vol. 51, no. 6, pp. 849–860, 2005
  21. Leaf Color Chart for Managing Nitrogen Fertilizer in Lowland Rice in Bangladesh
    Agronomy Journal, vol. 97, no. 3, pp. 949–959, 2005
  22. Mitigating Greenhouse Gas Emissions from Rice–Wheat Cropping Systems in Asia
    Environment, Development and Sustainability, vol. 6, no. 1/2, pp. 65–90, 2004
  23. Optimizing phosphorus fertilization in an intensive vegetable-rice cropping system
    Biology and Fertility of Soils, vol. 40, no. 4, 2004
  24. Nitrogen fixation in rice systems: state of knowledge and future prospects
    Plant and Soil, vol. 252, no. 1, pp. 151–167, 2003
  25. Trends of climatic potential and on-farm yields of rice and wheat in the Indo-Gangetic Plains
    Field Crops Research, vol. 80, no. 3, pp. 223–234, 2003
  26. How extensive are yield declines in long-term rice–wheat experiments in Asia?
    Field Crops Research, vol. 81, no. 2-3, pp. 159–180, 2003
  27. Do organic amendments improve yield trends and profitability in intensive rice systems?
    Field Crops Research, vol. 83, no. 2, pp. 191–213, 2003
  28. Herbaspirillum colonization increases growth and nitrogen accumulation in aluminium-tolerant rice varieties
    New Phytologist, vol. 154, no. 1, pp. 131–145, 2002
  29. Infection and Colonization of Rice Seedlings by the Plant Growth-Promoting Bacterium Herbaspirillum seropedicae Z67
    Molecular Plant-Microbe Interactions, vol. 15, no. 9, pp. 894–906, 2002
  30. Efficacy of three 15 N labelling techniques for estimating below-ground N in Sesbania rostrata
    Biology and Fertility of Soils, vol. 35, no. 5, pp. 387–389, 2002
  31. Carbon management for sustainability of an intensively managed rice-based cropping system
    Biology and Fertility of Soils, vol. 36, no. 3, pp. 215–223, 2002
  32. The role of potassium in sustaining yields in a long-term rice-wheat experiment in the Indo-Gangetic Plains of Nepal
    Biology and Fertility of Soils, vol. 36, no. 3, pp. 240–247, 2002
  33. Long-term changes in yield and soil fertility in a twenty-year rice-wheat experiment in Nepal
    Biology and Fertility of Soils, vol. 34, no. 1, pp. 73–78, 2001
  34. Specific Detection of Bradyrhizobium and Rhizobium Strains Colonizing Rice (Oryza sativa) Roots by 16S-23S Ribosomal DNA Intergenic Spacer-Targeted PCR
    Applied and Environmental Microbiology, vol. 67, no. 8, pp. 3655–3664, 2001
  35. Endophytic Colonization of Rice by a Diazotrophic Strain of Serratia marcescens
    Journal of Bacteriology, vol. 183, no. 8, pp. 2634–2645, 2001
  36. Functional Plant Biology, vol. 28, no. 9, p. 845, 2001
  37. Evaluation of plant growth promoting and colonization ability of endophytic diazotrophs from deep water rice
    Journal of Biotechnology, vol. 91, no. 2-3, pp. 127–141, 2001
  38. Novel Endophytes of Rice form a Taxonomically Distinct Subgroup of
    Systematic and Applied Microbiology, vol. 24, no. 2, pp. 245–251, 2001
  39. YIELD TRENDS AND APPARENT NUTRIENT BALANCES IN INTENSIFIED AND DIVERSIFIED RICE-BASED CROPPING SYSTEMS
    Experimental Agriculture, vol. 35, no. 2, pp. 181–199, 1999
  40. ROLE OF INDIGO IN IMPROVING THE PRODUCTIVITY OF RAINFED LOWLAND RICE-BASED CROPPING SYSTEMS
    Experimental Agriculture, vol. 35, no. 2, pp. 201–210, 1999
  41. Interactions of rice seedlings with bacteria isolated from rice roots
    Functional Plant Biology, vol. 26, no. 6, p. 521, 1999
  42. Rice ENOD40: isolation and expression analysis in rice and transgenic soybean root nodules
    The Plant Journal, vol. 18, no. 2, pp. 121–129, 1999
  43. Estimation of legume symbiotic dependence: an evaluation of techniques based on 15N dilution
    Soil Biology and Biochemistry, vol. 31, no. 14, pp. 1901–1917, 1999
  44. Widespread Occurrence of the Homologues of the Early Nodulin (ENOD) Genes inOryzaSpecies and Related Grasses
    Biochemical and Biophysical Research Communications, vol. 258, no. 1, pp. 148–154, 1999
  45. Opportunities for increased nitrogen-use efficiency from improved lowland rice germplasm
    Field Crops Research, vol. 56, no. 1-2, pp. 41–71, 1998
  46. Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems
    Field Crops Research, vol. 56, no. 1-2, pp. 7–39, 1998
  47. Opportunities to manipulate nutrient-by-water interactions in rainfed lowland rice systems
    Field Crops Research, vol. 56, no. 1-2, pp. 93–112, 1998
  48. Genotypic variation in nitrogen use efficiency in medium- and long-duration rice
    Field Crops Research, vol. 58, no. 1, pp. 35–53, 1998
  49. Isolation, analysis and expression of homologues of the soybean early nodulin gene GmENOD93 (GmN93) from rice
    Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, vol. 1443, no. 3, pp. 386–392, 1998
  50. Nutrient Cycling in Agroecosystems, vol. 53, no. 1, pp. 19–33, 1998
  51. Rhizobial lipochitooligosaccharide nodulation factors activate expression of the legume early nodulin gene ENOD12 in rice
    The Plant Journal, vol. 14, no. 6, pp. 693–702, 1998
  52. Plant and Soil, vol. 194, no. 1/2, pp. 81–98, 1997
  53. Plant and Soil, vol. 194, no. 1/2, pp. 15–24, 1997
  54. Plant and Soil, vol. 194, no. 1/2, pp. 1–10, 1997
  55. Plant and Soil, vol. 194, no. 1/2, pp. 99–114, 1997
  56. Plant and Soil, vol. 194, no. 1/2, pp. 25–36, 1997
  57. Grain yield performance of rice genotypes at suboptimal levels of soil N as affected by N uptake and utilization efficiency
    Field Crops Research, vol. 46, no. 1-3, pp. 127–143, 1996
  58. Efficient management of soil and biologically fixed N2 in intensively-cultivated rice fields
    Soil Biology and Biochemistry, vol. 27, no. 4-5, pp. 431–439, 1995
  59. Agronomic and economic evaluation of Sesbania rostrata green manure establishment in irrigated rice
    Field Crops Research, vol. 40, no. 3, pp. 135–141, 1995
  60. Stem-nodulating legumes as relay-cropped or intercropped green manures for lowland rice
    Field Crops Research, vol. 42, no. 1, pp. 39–47, 1995
  61. Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production?
    Plant and Soil, vol. 174, no. 1-2, pp. 3–28, 1995
  62. Enhancing legume N2 fixation through plant and soil management
    Plant and Soil, vol. 174, no. 1-2, pp. 83–101, 1995
  63. Green manure technology: Potential, usage, and limitations. A case study for lowland rice
    Plant and Soil, vol. 174, no. 1-2, pp. 181–194, 1995
  64. Biological N2 fixation by heterotrophic and phototrophic bacteria in association with straw
    Plant and Soil, vol. 174, no. 1-2, pp. 211–224, 1995
  65. Molecular-marker-facilitated investigation on the ability to stimulate N2 fixation in the rhizosphere by irrigated rice plants
    Theoretical and Applied Genetics, vol. 91, no. 8, 1995
  66. Non-allelic interaction conditioning spikelet sterility in an F2 population of indica/japonica cross in rice
    Theoretical and Applied Genetics, vol. 91-91, no. 6-7, 1995
  67. 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
    Biology and Fertility of Soils, vol. 20, no. 2, pp. 107–112, 1995
  68. Extension of nitrogen fixation to rice ? Necessity and possibilities
    GeoJournal, vol. 35, no. 3, pp. 363–372, 1995
  69. Prediction of nitrogen availability and rice yield in lowland soils: Nitrogen mineralization parameters
    Plant and Soil, vol. 160, no. 1, pp. 131–137, 1994
  70. Biological nitrogen fixation for sustainable agriculture: A perspective
    Plant and Soil, vol. 141, no. 1-2, pp. 1–11, 1992
  71. Biological N2 Fixation in wetland rice fields: Estimation and contribution to nitrogen balance
    Plant and Soil, vol. 141, no. 1-2, pp. 41–55, 1992
  72. Managing native and legume-fixed nitrogen in lowland rice-based cropping systems
    Plant and Soil, vol. 141, no. 1-2, pp. 69–91, 1992
  73. Isotope 15N enrichment of soil-ammonium N as a reference to estimate N2 fixation by stem and root-inoculated S. rostrata
    Biology and Fertility of Soils, vol. 13, no. 2, pp. 74–78, 1992
  74. Effect of NPK on growth and nitrogen fixation of Sesbania rostrata as a green manure for lowland rice (Oryza sativa L.)
    Plant and Soil, vol. 132, no. 1, pp. 149–158, 1991
  75. Growth and N2-fixation of two stem-nodulating legumes and their effect as green manure on lowland rice
    Soil Biology and Biochemistry, vol. 22, no. 8, pp. 1109–1119, 1990
  76. Sesbania rostrata as a green manure for lowland rice: Growth, N2 fixation,Azorhizobium sp. inoculation, and effects on succeeding crop yields and nitrogen balance
    Biology and Fertility of Soils, vol. 7, no. 3, pp. 191–197, 1989
  77. Influence of Azospirillum inoculation on the mineral uptake and growth of rice under hydroponic conditions
    Plant and Soil, vol. 108, no. 2, pp. 281–285, 1988
  78. Seeding vs. vegetative propagations of the stem-nodulating green manure Sesbania rostrata
    Biology and Fertility of Soils, vol. 6, no. 4, 1988
  79. The effects on N2 fixation (C2H2 reduction), bacterial population and rice plant growth of two modes of straw application to a wetland rice field
    Biology and Fertility of Soils, vol. 5, no. 2, 1987
  80. Composition ofAzospirillum species associated with wetland rice plant grown in different soils
    Plant and Soil, vol. 102, no. 1, pp. 127–129, 1987
  81. Laboratory acetylene reduction assay for relative measurement of N2-fixing activities associated with field-grown wetland rice plants
    Plant and Soil, vol. 90, no. 1-3, pp. 359–372, 1986
  82. 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
    Biology and Fertility of Soils, vol. 2, no. 1, pp. 7–14, 1986
  83. Antigenic similarity among Anabaena azollae separated from different species of Azolla
    Biochemical and Biophysical Research Communications, vol. 109, no. 3, pp. 675–682, 1982
  84. Alteration of cyanobacterial glutamine synthetase activity in vivo in response to light and NH 4 +
    Archives of Microbiology, vol. 120, no. 3, pp. 195–200, 1979
  85. Effects of 5-hydroxylisine on acetylene reduction and NH-assimilation in the cyanobacterium
    Biochemical and Biophysical Research Communications, vol. 83, no. 2, pp. 688–696, 1978
  86. Genetic control of heterocyst formation in the blue-Green algae Nostoc muscorum and nostoc linckia
    Archives of Microbiology, vol. 114, no. 2, pp. 155–159, 1977
  87. Heterocyst division in two blue-green algae
    Archives of Microbiology, vol. 102, no. 1, pp. 171–173, 1975