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	1.	The role of science in future food production increases by Wittwer, S.H Material type: Text Language: En Publication details: 1980 In: CIMMYT Long-Range Planning Conference; 9-12 Apr 1980623258 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: REP-2731. Place hold Log in to add tags Add to cart (remove)
	2.	Alternatives available for improving plant and animal resources [Food supply] by Wittwer, S.H World Food Conference. Ames, Iowa (USA). 27 Jun - 1 Jul 1976 Material type: Text Publication details: 1977 In: Iowa State University of Science and Technology (USA). Proceedings of the world food conference of 1976. Ames, Iowa (USA). Iowa State University Press. 1977. p. 429-448 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 78-318413. Place hold Log in to add tags Add to cart (remove)
	3.	Approaching maximum capacity in production - biological limits of productivity by Wittwer, S.H Annual meeting of the Agricultural Research Institute National Academy of Sciences Oct. 16, 1967 Material type: Text Publication details: Washington, DC (USA) :, 1967 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: REP-1497. Place hold Log in to add tags Add to cart (remove)
	4.	Advances in protected environments for plant growth [Greenhouses, plastics, cultivation techniques, insect pest control, irrigation] by Wittwer, S.H Material type: Text Publication details: 1981 In: Advances in food producing systems for arid and semi-arid lands. New York (USA). Academic Press. 1981. p. 679-715 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 82-798251. Place hold Log in to add tags Add to cart (remove)
	5.	Carbon dioxide and climatic change: an agricultural perspective [on crop productivity] by Wittwer, S.H Material type: Article Language: En Publication details: 1980 In: Journal of Soil and Water Conservation v. 35, no. 3, p. 116-12081-671844 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 81-671844. Place hold Log in to add tags Add to cart (remove)
	6.	Resource conservation: agricultural productivity [Food production, land use, energy conservation, mechanization] by Wittwer, S.H Material type: Text Publication details: 1980 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 82-796976. Place hold Log in to add tags Add to cart (remove)
	7.	Pesticides as a part of the food production system by Wittwer, S.H Material type: Text Publication details: 1981 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 83-901978. Place hold Log in to add tags Add to cart (remove)
	8.	Voluntary wheat program for 1965 by Wittwer, S.H Meeting of the Agricultural Research Institute Washington, D.C. (USA) Oct. 16, 1967 Material type: Text Publication details: National Academy of Sciences, 1967 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: REP-1606. Place hold Log in to add tags Add to cart (remove)
	9.	Feeding a billion: Frontiers of chinese agriculture by Wittwer, S.H Sun Han [coaut.] Wang Lianzheng [coaut.] Yu Youtai [coaut.] Material type: Text Language: En Publication details: East Lansing, MI (USA) : Michigan State University, 1987 Availability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library (1)Call number: 338.1951 WIT. Place hold Log in to add tags Add to cart (remove)

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