@book{25759,
	author = {Jyothikumari K N  and Mariam K A (Guide)},
	title = {Dynamics of potassium in the soil of kole land},
	publisher = {Department of Soil Science and Agricultural Chemistry, College of Horticulture},
	year = {1996},
	address = {Vellanikkara},
	url = {http://krishikosh.egranth.ac.in/handle/1/5810085199}
}