@book{25257,
	author = {Reddy, S.R.  and Pradesh, Andhira},
	title = {Principles of agronomy/by S.R. Reddy and Andhira Pradesh },
	publisher = {Kalyani Publishers,},
	year = {2016.},
	address = {Ludhiana:},
	edition = {5th. rev. ed.}
}