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	1.	Image from Google Jackets	Weed-crop competition : a review / Robert L. Zimdahl ; [technical review and coordination by L. C. Burrill ; edited and designed by A. E. Deutsch]. by Zimdahl, Robert L Burrill, L. C Deutsch, A. E Series: IPPC document ; 31-A-80 Material type: Text; Format: print Publication details: Corvallis, Or : International Plant Protection Center, Oregon State University, 1980 Availability: No items available. Log in to add tags Save to lists Add to cart (remove)
	2.	Image from Google Jackets	No-tillage crop production in the tropics : proceedings of a symposium held August 6-7, 1981, at Monrovia, Liberia / sponsored by the West African Weed Science Society and the International Weed Science Society in collaboration with the West African Rice Development Association ; edited by I.O. Akobundu, A.E. Deutsch. by West African Weed Science Society International Weed Science Society West Africa Rice Development Association Series: IPPC document ; 46-B-83 Material type: Text; Format: print Corvallis, OR : Published for the West African and International Weed Science Societies by the International Plant Protection Center, Oregon State University, [1983] Availability: Items available for loan: Main Library -University of Zimbabwe (1)Call number: S604.37 NOT. Place hold Log in to add tags Save to lists Add to cart (remove)

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