Browsing by Author Usha, P B
Showing results 1 to 10 of 10
| Issue Date | Title | Author(s) |
| 1983 | Carbon - nitrogen relationship in laterite soils of Kerala | Usha, P B; Jose, A I |
| 1982 | Characterisation of soil organic matter in different soil types of Kerala | Jose, A I; Usha, P B |
| 2000 | Effect of sulphur on yield, quality and uptake of nutrients by cowpea (Vigna unguiculata L. Walp) in a rhodig haplustox | Beena, V I; Usha, P B |
| 1995 | Evaluation of acidity parameters in wetland soils of Kerala in relation to nutrient availability | Thomas Varghese; Usha, P B |
| 1984 | Fractionation of soil organic matter in laterite soils of Kerala | Usha, P B; Jose, A I |
| 2005 | Impact of organic farming practices on soil health,yield and quality of cowpea (Vigna unguiculata subsp. sesquipedalis (L.) Verdcort) | Usha, P B; Devi Krishna |
| 1991 | Inter-relationship between organic carbon, nitrogen, organic phosphorus and organic sulphur in two red loam soil series of South Kerala | Korah, P A; Usha, P B; Sudharmai Devi, C R |
| 2015 | Investigations on the efficacy of biochar from tender coconut husk for enhanced crop production | Usha, P B; Mariya Dainy, M S; KAU |
| 2011 | Nitrogen and sulphur interaction on their release pattern and use efficiency in ferralitic soils. | Usha, P B; Mariya Dainy, M S |
| 2017 | Technology refinement for biochar production and evaluation of its effect on soil health and crop productivity | Usha, P B; Sainath Nagula |
