@book{56070,
	author = {Barrow, N. J. and International Plant Nutrition Colloquium (12 : 1993 : Perth, Australia)},
	title = {Plant nutrition - from genetic engineering to field practice},
	publisher = {Kluwer,},
	year = {1993},
	series = {Developments in plant and soil sciences v. 45},
	address = {Dordrecht :}
}