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	1.	Image from Google Jackets	Effect of nitrogen rates and cutting frequencies on the productivity of two ecotypes of Panicum maximum interplanted with immature rubber by Dissanayake S N Waidyanatha U P de S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1982 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	2.	Image from Google Jackets	Effect of planting density on growth, yield, yield related factors and profitability of rubber (Hevea brasiliensis) Muell. Arg. by Rodrigo V H L Kodikara P B Nugawela A Pathirathne L S S Samaranayake A C I Waidyanatha U P de S Weeralal J L K Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1995 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	3.	Image from Google Jackets	Effect of vesicular-arbuscular mycorrhizae on seeedlings of Hevea and Pueraria phaseoloides by Jayaratne A H R Peries O S Waidyanatha U P de S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1984 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	4.	Image from Google Jackets	Performance of some zero-grazed pastures in rubber lands of the low country wet zone of Sri Lanka by Waidyanatha U P de S Dissanayake S N Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1985 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	5.	Image from Google Jackets	Some methods for determining leaf areas in Hevea by Waidyanatha U P De S Goonasekera G A J P R Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Sri Lanka Quarterly Journal 1975 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	6.	Image from Google Jackets	Virgin bark tapping of RRIC 100, RRIC 101 and RRIC 103 by Waidyanatha U P de S de Soyza A G A Perera M C Samaranayake C Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1983 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	7.	Image from Google Jackets	Virgin bark tapping of some RRIC 100 series clones by Samaranayake C De Soyza A G A Pathiratne L S S Waidyanatha U P de S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1987 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	8.	Image from Google Jackets	Zero-grzed pasture under immature Hevea rubber : Improved productivity of Panicum maximum and P. maximum + Pureria phaseoloides and their competition with Hevea by Waidyanatha U P de S Stauss R Wijesinghe D S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1982 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)

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