Vermicompost application for improving grain yield and quality in cereals harnessing metagenomics and induced gene expression changes
2012
Sobti, N. | Juneja, S.K. | Yadav, P.K. | Chibbar, R.N. | Behl, R.K.
Vermicomposting is a simple biotechnological process of composting, in which certain species of earthworms are used to enhance the process of waste conversion and produce a better end product. Vermicompost is derived by rearing worms on organic work mixed with cattle dung. It contains plant nutrients like N, P, K, Ca, Mg, Fe, Mn and Zn which have a positive effect on the plant growth, yield, soil fertility and soil microbes. The resulting vermicompost has been shown to have several positive impacts on cereal plant growth, grain yield and quality. Metagenomics has paved the way for independent assessment and exploitation of microbial communities present in complex ecosystems like verrnicompost and recovery of novel biomolecules. The application of biotechnological tools resulted in the generation of large datasets derived from various environments such as soil. In this way, structure, functions and interactions of microbial communities were elucidated. This commentary briefly summarizes views revealing the various dynamic of the soil-plant relationship with special emphasis on vermicompost and possible gene changes in host plant for better nutrition and stress resistance, in tUJI1 impacting grain quality and yield in cereals.
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