TY  - BOOK
AU  - Reddy T Yellamanda  & Yellamanda T Reddy Gh Sankara
TI  - Principles of Agronomy .-5 th edn .-978-93-272-6915-4
SN  - 978-93-272-6915-4
U1  - J:1   P16/B28052 
PY  - 2016///
PB  - Kalyani Publishers, New Delhi, New Delhi
ER  -