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	1.	Image from Google Jackets	Efficient fertilizer use in acid upland soils of the humid tropics by von Uexkull, H R Series: FAO fertilizer and plant nutrition bulletin 10 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rome F.A.O 1986 Availability: Items available for loan: RRII Library (1)Call number: 631.8:631.415.1 VON. Place hold Save to lists Add to cart (remove)
	2.	Image from Amazon.com Image from Google Jackets	Advances in agronomy V.74 by Sparks, Donald L Material type: Text; Format: print ; Literary form: Not fiction Publication details: San Diego Academic Press 2001 Availability: Items available for loan: RRII Library (1)Call number: 631/635 ADV.74. Place hold Save to lists Add to cart (remove)
	3.	Image from Google Jackets	Comparison of available phosphorus extractants in acid soil by Suresh P R Karthikakuttyamma M Mathew M Narayanasamy G Material type: Text; Format: print ; Literary form: Not fiction Publication details: Indian Journal of Natural Rubber Research 1994 Availability: Not available: RRII Library: Articles (1). Save to lists Add to cart (remove)
	4.	Image from Google Jackets	Comparison of available phosphorus extractants in acid soil by Suresh P R Karthikakuttyamma M Mathew M Narayanasamy G Material type: Text; Format: print ; Literary form: Not fiction Publication details: Indian Journal of Natural Rubber Research 1994 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
	5.	Image from Google Jackets	Contribution of exchangeable aluminium to subsoil acidity in rubber growing tracts by Suresh P R Augusthy A Karthikakuttyamma M Mathew Pothen M Material type: Text; Format: print ; Literary form: Not fiction Publication details: Proceedings of the sixth Kerala Science Congress, 1994, Thiruvananthapuram, Kerala, pp. 140-142 1994 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)

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