@book{25252,
	author = { Palaniappan, S.P. and Annadurai, K. },
	title = {Organic farming: theory and practice/by S.P.  Palaniappan and K. Annadurai},
	publisher = {Scientific Publishers,},
	year = {2012.},
	address = {Jodhpur:},
	edition = {4th. reprint.}
}