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	1.		Evaluation of the success of varietal improvement programmes of selected food legumes in Sri Lanka by Hettiarachchi , M.P De , Costa W.A.J.M Jayasekara , S.J.B.A Language: English Language Publication details: Peradeniya Author 2000 2000 Availability: Items available for loan: Agricultural Library (5)Collection, call number: Lending Collection 635.65HET, ... Place hold Add to cart (remove)
	2.		Plant water relations principles and applications by De Costa , W.A.J.M Language: English Language Publication details: Peradeniya Author 2001 2001 Availability: Items available for loan: Agricultural Library (3)Collection, call number: Lending Collection 575.76COS, ... Place hold Add to cart (remove)
	3.		Principles of crop physiology towards an understanding of crop yield determination and improvement by De Costa , W.A.J.M Language: English Language Publication details: Peradeniya Author 2002 2000 Availability: Items available for loan: Agricultural Library (3)Collection, call number: Lending Collection 571.2COS, ... Place hold Add to cart (remove)

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