Mostrar 1 - 7 resultats de 7 per cerca 'Usha P B', hora de la petició: 0.02sec Refinar resultats
  1. 1
    Evaluation of Acidity Parameters in Wetland Soils of Kerala in Relation to Nutrient Availability
    per Usha P B
    Publicat 1995
    Ph.D Thesis
  2. 2
    Characterisation of Soil Organic Matter in Different Soil Types of Kerala
    per Usha P B
    Publicat 1982
    Ph.D Thesis
  3. 3
    Effect of Sulphur on Yield, Quality and Uptake of Nutrients by Cowpea (vigna unguiculata L. Walp) in a Rhodig Haplustox
    per Beena V I
    Publicat 2000
    Altres autors: “...Usha P B (Guide)...”
    Ph.D Thesis
  4. 4
    Nitrogen and sulphur interaction on their release pattern and use efficiency in ferralitic soils.
    per Mariya Dainy M S
    Publicat 2011
    Altres autors: “...Usha P B(Guide)...”
    Ph.D Thesis
  5. 5
    Impact of organic farming practices on soil health,yield and quality of cowpea
    per Devi Krishna
    Publicat 2005
    Altres autors: “...Usha P B(Guide)...”
    Ph.D Thesis
  6. 6
    Technology refinement for biochar production and evaluation of its effect on soil health and crop productivity
    per Sainath Nagula
    Publicat 2017
    Altres autors: “...Usha, P B (Guide)...”
    Ph.D Thesis
  7. 7
    Land evaluation and land use planning in Eruthavoor watershed of Western Ghat region using GIS and remote sensing
    per Dathan C S
    Publicat 2017
    Altres autors: “...Usha, P B (Guide)...”
    Ph.D Thesis
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