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		Image from Google Jackets	Conservation farming : for small farmers in the humid tropics / by Wijewardene, Ray Waidyanatha, Parakrama Language: English Language Publication details: Colombo : Marga Publication 1989 1989 Availability: Items available for reference: Main Library: Not for loan (1)Call number: 631.3 WIJ. Save to lists Add to cart (remove)
		Image from Google Jackets	Conservation farming : system, techniques and tools / Ray Wijewardena and Parakrama Waidyanatha. by Wijewardena, Ray Waidyanatha, Parakrama Language: English Language Publication details: Colombo : Marga Publications, 1989. 1989 Availability: Items available for reference: Faculty of Applied Sciences Library: Not for loan (1)Call number: PLC05017. Save to lists Add to cart (remove)

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