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	1.	An agricultural testament / by Sir Albert Howard. by Howard, Albert, Sir, 1873-1947 Edition: Special Rodale Press ed. Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Emmaus, Pa.] : Rodale Press, c1942 Availability: Items available for loan: Athi-River Campus (1)Call number: S605.5.H665 1972. Place hold Save to lists Add to cart (remove)
	2.	Trees, crops, and soil fertility [electronic resource] : concepts and research methods / edited by G. Schroth and F.L. Sinclair. by Schroth, G. (Goetz) Sinclair, Fergus L ebrary, Inc Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: Wallingford, Oxon, UK ; Cambridge, MA : CABI Pub., c2003 Online resources: An electronic book accessible through the World Wide Web; click to view Availability: No items available. Save to lists Add to cart (remove)
	3.	Understanding environmental policy processes [electronic resource] : cases from Africa / James Keeley and Ian Scoones. by Keeley, James Scoones, Ian ebrary, Inc Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: London ; Sterling, VA : Earthscan, 2003 Online resources: An electronic book accessible through the World Wide Web; click to view Availability: No items available. Save to lists Add to cart (remove)
	4.	Soil fertility decline in the tropics [electronic resource] : with case studies on plantations / Alfred E. Hartemink. by Hartemink, Alfred E, 1964- ebrary, Inc Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: Wallingford, Oxon, UK ; Cambridge, MA, USA : CABI Pub., c2003 Online resources: An electronic book accessible through the World Wide Web; click to view Availability: No items available. Save to lists Add to cart (remove)
	5.	Integrated plant nutrient management in Sub-Saharan Africa [electronic resource] : from concept to practice / edited by B. Vanlauwe ... [et al.]. by Vanlauwe, B. (Bernard) ebrary, Inc Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: Wallingford, Oxon, UK ; New York, NY, USA : CABI Pub. in association with the International Institute of Tropical Agriculture, c2002 Online resources: An electronic book accessible through the World Wide Web; click to view Availability: No items available. Save to lists Add to cart (remove)
	6.	Soil fertility [electronic resource] : characteristics, processes and management / Bolanle Adewuyi and Kayin Chukwu, editors. by Adewuyi, Bolanle Chukwu, Kayin ebrary, Inc Series: Agriculture issues and policies series \| Biotechnology in agriculture, industry and medicine Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: New York : Nova Science Publishers, 2012 Online resources: An electronic book accessible through the World Wide Web; click to view Availability: No items available. Save to lists Add to cart (remove)