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	1.	No cover image available No cover image available Nitrogen management in multiple cropping systems by VAN DER HEIDE, J VAN DER KRUIJS, A.C.B.M KANG, B.T.V LEK, P.L Material type: Article; Format: print ; Literary form: Not fiction Language: English In: In: Kang, B.T. ; Van der Heide, J. (eds.). Nitrogen management in farming systems in humid and subhumid tropics Availability: Items available for reference: CIAT Library: Short Loan (1)Call number: 33697. Add to cart (remove)
	2.	No cover image available No cover image available Progress and future plans of the project management of nitrogen in acid low activity clay soils in the humid tropics for food crop production by Kang, B.T Van der Kruijs, A VAN DER HEIDE, J Series: Progress report no. 1 Material type: Continuing resource; Format: print Language: English Publication details: Haren, NL Institute for Soil Fertility (IB) 1986 Availability: Items available for reference: CIAT Library: Short Loan (1)Call number: 42572. Add to cart (remove)
	3.	No cover image available No cover image available Role of green manure in low-input farming in the humid tropics by VAN DER HEIDE, J Material type: Article; Format: print ; Literary form: Not fiction Language: English In: In: Symposium on Sustainable Agriculture: The Role of Green Manure Crops in Rice Farming Systems (1987, Los Baños, Philippines). Green manure in rice farming: Proceedings Availability: Items available for reference: CIAT Library: Short Loan (1)Call number: 36895. Add to cart (remove)
	4.	No cover image available No cover image available The role of green manures in rainfed farming systems in the humid tropics by VAN DER HEIDE, J Hairiah, K Material type: Article; Format: print Language: English In: ILEIA Availability: Items available for reference: CIAT Library: Short Loan (1)Call number: 40704. Add to cart (remove)

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