TY  - BOOK
AU  - Indian Institute of Soil Science
TI  - Four decades of research on micro-and secondary-nutrients and pollutant elements in Andhra Pradesh
U1  - 631.409.548.4 I-2F 
PY  - 2009///
CY  - Bhopal
PB  - Indian Institute of Soil Science [ICAR]
KW  - SOIL SCIENCE
ER  -