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	1.	Image from Google Jackets	Rubber seed oil: extraction in Sumatra Material type: Text; Format: print ; Literary form: Not fiction Availability: Not available: RRII Library: Bibliography (1). Save to lists Add to cart (remove)
	2.	Image from Google Jackets	Application of upward tapping to increase rubber yield planted in Type-A climate region of North Sumatra by Lukman Material type: Text; Format: print ; Literary form: Not fiction Publication details: Indonesian Journal of Natural Rubber Research 1996 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	3.	Image from Google Jackets	Cropping pattern of coffee as rubber intercrop at farmer level in Muara Enim and Musi Rawas districts of South Sumatra province, Indonesia by Rosyid M J Suryaningtyas H Material type: Text Publication details: IRC 2012. International Rubber Conference, 28-31 October 2012, Kovalam, India, Rubber Research Institute of India, Kottayam and IRRDB, Malaysia: Abstracts. pp.130. Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	4.	Image from Google Jackets	Innovative farmers: Bapak Kanijan. Reviving rattan in Sumatra is a booming business by Manurung G Burgers P Material type: Text; Format: print ; Literary form: Not fiction Publication details: Agroforestry Today 1999 Online resources: Click here to access online Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	5.	Image from Google Jackets	Manuring practices of rubber estates in North Sumatra by Taryo-Adiwiganda Y Arnott G W Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Board Bulletin 1975 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	6.	Image from Google Jackets	Performance of PB 260 and PB 330 clones in rubber plantations of North Sumatra by Nasution Usman Azwar Rasidi Supriyanto Material type: Text; Format: print ; Literary form: Not fiction Publication details: In: Prosidings of the Lokakarya Nasional Pemuliaan Tanaman Karet, Medan 1992; p267-278 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	7.	Image from Google Jackets	Progressive reorganisation of tapping tasks : Tapping systems and field collection in Sumatra by Fleming T Material type: Text; Format: print ; Literary form: Not fiction Publication details: Planters Bulletin 1965 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	8.	Image from Google Jackets	Relation between growth habit and yield in Hevea cultivars in North Sumatra by Napitupulu L A Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Sri Lanka Quarterly Journal 1973 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	9.	Image from Google Jackets	The plains of Southern Sumatra, Indonesia: from forest to rubber by Gouyon A Material type: Text; Format: print ; Literary form: Not fiction Publication details: CIRAD-CP, Montpellier(France) Online resources: Click here to access online Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	10.	Image from Google Jackets	Wind damage map of rubber plantation of North Sumatra by Santoso Bolot Siregar Tumpal H S Material type: Text; Format: print ; Literary form: Not fiction Publication details: In: Prosidings of the Lokakarya Nasional Pemuliaan Tanaman Karet, Medan 1992; p127-142 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)

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