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Kerala Agricultural University Digital Library
Browsing by Author Usha, P B
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Showing results 3 to 10 of 10
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Issue Date
Title
Author(s)
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