Showing 1 - 7 results of 7 for search 'Usha P B', 查詢時間: 0.02s Refine Results
  1. 1
    Evaluation of Acidity Parameters in Wetland Soils of Kerala in Relation to Nutrient Availability
    由 Usha P B
    出版 1995
    Ph.D Thesis
  2. 2
    Characterisation of Soil Organic Matter in Different Soil Types of Kerala
    由 Usha P B
    出版 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
    由 Beena V I
    出版 2000
    其他作者: “...Usha P B (Guide)...”
    Ph.D Thesis
  4. 4
    Nitrogen and sulphur interaction on their release pattern and use efficiency in ferralitic soils.
    由 Mariya Dainy M S
    出版 2011
    其他作者: “...Usha P B(Guide)...”
    Ph.D Thesis
  5. 5
    Impact of organic farming practices on soil health,yield and quality of cowpea
    由 Devi Krishna
    出版 2005
    其他作者: “...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
    由 Sainath Nagula
    出版 2017
    其他作者: “...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
    由 Dathan C S
    出版 2017
    其他作者: “...Usha, P B (Guide)...”
    Ph.D Thesis
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