Compiled by:
M. Dhakshinamoorthy, D. Selvi, C. Sudhalakshmi, J. Balamurugan, C. Paulraj and S. Nataraj, department of soil science and agricultural chemistry, center for soil and crop management studies, TNAU, Coimbatore, 641003.

For copies, please contact M. Dhakshinamoorthy
Professor (SS&AC)
Tamil Nadu Rice Research Institute,
Aduthurai - 612 101 mdmoorthy@gmail.com