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1.	Image from Google Jackets	Chemicals humus and the soil by HOPKINS, Donald P Material type: Text; Format: print ; Literary form: Not fiction Publication details: London Faber and Faber 1949 Availability: Items available for loan: RRII Library (1)Call number: 631.41 HOP. Place hold Save to lists Add to cart (remove)
2.	Image from Google Jackets	Note on the acidity of raw humus in relation to natural covers by Haines W B Pillay K S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Malaya 1933 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
3.	Image from Google Jackets	The role of humus in tropical soil management by Haines W B Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Malaya Quarterly Journal 1929 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)

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