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1. Evaluation of Acidity Parameters in Wetland Soils of Kerala in Relation to Nutrient Availability

by Usha P B | Thomas Varghese (Guide).

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Vellayani Department of Soil Science and Agricultural Chemistry College of Agriculture 1995Dissertation note: PhD Online access: Click here to access online Availability: Items available for loan: KAU Central Library, Thrissur [Call number: 631.4 USH/EV] (1).

2. Characterisation of Soil Organic Matter in Different Soil Types of Kerala

by Usha P B | Jose A I (Guide).

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Vellanikkara Department of Soil Science and Agricultural Chemistry, College of Horticulture 1982Dissertation note: MSc Online access: Click here to access online | Click here to access online Availability: Items available for loan: KAU Central Library, Thrissur [Call number: 631.4 USH/CH] (1).

3. Effect of Sulphur on Yield, Quality and Uptake of Nutrients by Cowpea (vigna unguiculata L. Walp) in a Rhodig Haplustox

by Beena V I | Usha P B (Guide).

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Vellayani Department Of Soil Science And Agricultural Chemistry,College Of Agriculture, 2000Dissertation note: Msc Online access: Click here to access online Availability: Items available for loan: KAU Central Library, Thrissur [Call number: 631.4 BEE/EF] (1).

4. Impact of organic farming practices on soil health,yield and quality of cowpea

by Devi Krishna | Usha P B(Guide).

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Vellayani Department of Soil Science and Agricultural Chemistry, College of Agriculture 2005Dissertation note: MSc Online access: Click here to access online Availability: Items available for loan: KAU Central Library, Thrissur [Call number: 631.4 DEV/IM] (1).

5. Nitrogen and sulphur interaction on their release pattern and use efficiency in ferralitic soils.

by Mariya Dainy M S | Usha P B(Guide).

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Vellayani Department of Soil Science and Agricultural Chemistry,College of Agriculture 2011Dissertation note: MSc. Online access: Click here to access online Availability: Items available for loan: KAU Central Library, Thrissur [Call number: 631.4 MAR/NI] (1).

6. Technology refinement for biochar production and evaluation of its effect on soil health and crop productivity

by Sainath Nagula | Usha, P B (Guide).

Material type: book Book Publisher: Vellayani Department of Soil Science and Agricultural Chemistry, College of Agriculture 2017Dissertation note: PhD Online access: Click here to access online Availability: Items available for reference: KAU Central Library, Thrissur [Call number: 631.4 SAI/TE] (1).
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7. Land evaluation and land use planning in Eruthavoor watershed of Western Ghat region using GIS and remote sensing

by Dathan C S | Usha, P B (Guide).

Material type: book Book Publisher: Vellayani Department of Soil Science and Agricultural Chemistry, College of Agriculture 2017Dissertation note: MSc Online access: Click here to access online Availability: Items available for reference: KAU Central Library, Thrissur [Call number: 631.4 DAT/LA] (1).

8. Characterisation of soil organic matter in different soil types of Kerala

by Usha P B [Researcher] | Jose A I [Guide].

Edition: M.Sc Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Thrissur ; College of Horticulture ; 1982Availability: Items available for loan: College of Agriculture, Vellanikkara [Call number: 540 USH/CH] (1).

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