TY  - BOOK
AU  - Raj, Bhupal G,
TI  - Four Decades of Research on Micro and Secondary Nutrients and Pollutant Elements in Soils of Andhra Pradesh
U1  - 631.31 
PY  - 2009///
CY  - Bhopal
PB  - Indian Institute of Soil Science.
KW  - Techniques, equipment & materials
ER  -