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	1.	Image from Google Jackets	Relationship among corn yields, leaf composition and fertilizer applied by Viets F G Crawford C I Nelson C E Material type: Text; Format: print ; Literary form: Not fiction Publication details: Proceedings of the Soil Science Society of America 1954 Availability: Not available: RRII Library: Reprints (1). Save to lists Add to cart (remove)
	2.	Image from Google Jackets	Effect of fertilizers on leaf composition of NPK in some Hevea cultivars by Yogaratnam N De Mel J G Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1985 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)

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