@book{29314,
	author = {Indian Society of Soil Science and Symposium on Potassium in Soils, Crops and Fertilizers,},
	title = {Potassium in soils, crops and fertilizers /},
	publisher = {Indian Society of Soil Science ,},
	year = {1976 .},
	series = {Bulletin - Indian Society of Soil Science ; no. 10},
	address = {New Delhi :}
}