APA
Karthikakuttyamma M, Nair A.N.S & Potty S.N. (1980). Effect of different phosphatic fertilisers in girth, soil and leaf nutrient content in immaturity period of Hevea. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
Chicago
Karthikakuttyamma M, Nair A.N.S and Potty S.N. 1980. Effect of different phosphatic fertilisers in girth, soil and leaf nutrient content in immaturity period of Hevea. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
Harvard
Karthikakuttyamma M, Nair A.N.S and Potty S.N. (1980). Effect of different phosphatic fertilisers in girth, soil and leaf nutrient content in immaturity period of Hevea. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India.
MLA
Karthikakuttyamma M, Nair A.N.S and Potty S.N. Effect of different phosphatic fertilisers in girth, soil and leaf nutrient content in immaturity period of Hevea. : International Rubber Conference, 23-28 November 1980, Rubber Research Institute of India, Kottayam, India. 1980.