- Devadas, M and Chandini, S. (2000). Growth of bush pepper (Piper nigrum L.) plants as influenced by lightand nutrients. J. Spices Aromatic Crops. 920:105-109
- KaleR.O., Mallesh, B.C., Bano, K. and Basvaraj, D.J. (1992). Influence of vermicompost application on the available micronutrients and selected microbial population in a paddy field. Soil Biol. Biochem.24:1317-1320
- Lin, C.H., McGraw, M.L., George, M.F. and Garret, H.E. (2001). Nutritive quality and morphological development under partial shade of some fodder species with agroforestry potential. Agroforestry Sys. 53:269-281
- Mathur, S., Verma, R.K., Gupta, N.N., Ram, M., Sharma, S. and Kumar, S. (2000). Screening of genetic resources of the medicinal-vegetable plant Centella asiatica for herb and asiaticoside yields under shaded and full sunlight conditions. J. Hort. Sci. Biotech. 75:551-554
- Singh, M.P. and Panda, H. (2005). Medicinal Herbs with Their Formulations, Daya Publishing House,New Delhi
- Uma, B. and Malathi, M. (2009). Vermicompost as a soil supplement to improve growth and yield of maranthus species, J. Agri. Biol. Sci. 5:1054-1060
- Zhao, D. and Oosterhuis, D.M. 1998. Influence of shade on mineral nutrient status of field grown cotton, J. Plant Nut. 21:1681-1695