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	1.		Food security in Sri Lanka- trends in food froduction and availability by Suraweera, D. E. F Material type: Text Publication details: 1996 Availability: Items available for reference: Main Library: Not for loan (1). Save to lists Add to cart (remove)
	2.		Survey on the extent of red onion production and the nature of its cultivation in Trincomalee District during 1971/1972 Maha or Perumpokam season K. Sathasivampillai, D. E. F. Suraweera by Sathasivampillai, K Suraweera, D. E. F Material type: Text Language: English Language Publication details: Peradeniya Dept. of Agriculture 1972 Availability: Items available for loan: Main Library (1)Call number: 338.175 25 SAT. Save to lists Add to cart (remove)
	3.		Survy to investigate the extent of the use of row seeders and rotary weeders in paddy cultivation and assess the degree of preference shown by the cultvators for the use of these implements D. E. F. Suraweera, K. Sathasivampillai by Suraweera, D. E. F Sathasivampillai, K Material type: Text Language: English Language Publication details: Peradeniya Dept. of Agriculture 1972 Availability: Items available for reference: Main Library: Not for loan (1)Call number: 338.17318 SUR. Save to lists Add to cart (remove)

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