| Issue Date | Title | Author(s) |
| 2019 | Characterization and evaluation of herbal and non herbal kunapajala on soil health and crop nutrition | Ushakumari, K; Kavya, S R |
| 2017 | Characterization and evaluation of on-farm liquid organic manures on soil health and crop nutrition | Ushakumari, K; Sreya U Parvathi |
| 1999 | Effect of soil and foliar application of vermiwash on growth , yield and quality of tomato | Ushakumari, K; Rani Jasmine |
| 1999 | Effect of vermicompost enriched with rock phosphate on cowpea | Ushakumari, K; Sailajakumari, S |
| 2002 | Effect of vermicompost enriched with rock phosphate on the yield and uptake of nutrients in cowpea (Vigna unguiculata [L. ] Walp) | Sailaja Kumari, M S; Ushakumari, K |
| 1999 | Efficiency of vermicompost on growth and yield of summer crop Okra (Abelmoschus esculentus moench) | Ushakumari, K; Prabhakumari, P; Padmaja, P |
| 2015 | Evaluation of mineral enriched composts for soil remineralisation and crop nutrition | Ushakumari, K; Sreeja, S V |
| 1987 | Infiltration and moisture retention of five major soil groups of Kerala | Ushakumari, K; Leela, K; Anilkumar Sharda |
| 1998 | Low cost technology for the collection of vermiwash in homesteads | Padmaja, P; Ushakumari, K; Prabhakumari, P |
| 2019 | Organic nano NPK fomulations for enhanching soil health and productivity | Ushakumari, K; Nibin, P M |
| 2011 | Organic nutrition for soil health and productivity of chilli (Capsicum annuum L.) | Ushakumari, K; Lekshmi, V |
| 1987 | Structural status in relation to physico-chemical characteristics of soil | Ushakumari, K; Leela, K; Anilkumar Sharda |
| 2004 | Vermi compost enriched with organic additives for sustainable soil health | Ushakumari, K; Sheeba, P S |
| 1998 | Vermicompost as a potential organic source and partial substitute for inorganic fertilizers in sweet potato (Ipomoea batatas (L.) Lam.) | Ushakumari, K; Suresh Kumar, S N |
