APA

Dissanayake S N, Waidyanatha U P de S, . (1982). Effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber. : Journal of the Rubber Research Institute of Sri Lanka.

Chicago

Dissanayake S N, Waidyanatha U P de S, . 1982. Effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber. : Journal of the Rubber Research Institute of Sri Lanka.

Harvard

Dissanayake S N, Waidyanatha U P de S, . (1982). Effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber. : Journal of the Rubber Research Institute of Sri Lanka.

MLA

Dissanayake S N, Waidyanatha U P de S, . Effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber. : Journal of the Rubber Research Institute of Sri Lanka. 1982.