APA

Joseph M.[a], George E.S, Karthikakuttyamma M, Mathew M, Punnoose K.I & Syamala V.K. (1993). Distribution of total and different fractions of nitrogen in rubber growing soils under different age and fertilizer management practices. : Placrosym X, 1992, Kasaragod, India. Journal of Plantation Crops, 21(Supplement): 92-97.

Chicago

Joseph M.[a], George E.S, Karthikakuttyamma M, Mathew M, Punnoose K.I and Syamala V.K. 1993. Distribution of total and different fractions of nitrogen in rubber growing soils under different age and fertilizer management practices. : Placrosym X, 1992, Kasaragod, India. Journal of Plantation Crops, 21(Supplement): 92-97.

Harvard

Joseph M.[a], George E.S, Karthikakuttyamma M, Mathew M, Punnoose K.I and Syamala V.K. (1993). Distribution of total and different fractions of nitrogen in rubber growing soils under different age and fertilizer management practices. : Placrosym X, 1992, Kasaragod, India. Journal of Plantation Crops, 21(Supplement): 92-97.

MLA

Joseph M.[a], George E.S, Karthikakuttyamma M, Mathew M, Punnoose K.I and Syamala V.K. Distribution of total and different fractions of nitrogen in rubber growing soils under different age and fertilizer management practices. : Placrosym X, 1992, Kasaragod, India. Journal of Plantation Crops, 21(Supplement): 92-97. 1993.