@book{29427,
	author = {American Society of agronomy. and Peck, T. R. and Crop science Society of America.},
	title = {Soil testing :},
	publisher = {Soil science Society of America,},
	year = {c1977.},
	series = {ASA special publication,},
	address = {Madison :},
	note = {proceedings of a symposium sponsored by divisions s-4, S-8, A-4 and the soil testing and plant analysis committee of the , American Society of agronomy,  Crop science Society of America and Soil science Society of America. The papers presented during the annual meetings in Knoxville,  Tennessee August 1975.}
}