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	1.	No cover image available Methods for monitoring organic matter in soil by Lenthe, Hans-Rudolf Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 119-129 : graph. Availability: No items available.
	2.	No cover image available Utilization of "capoeira" as a source of organic fertilizer by Brasil, Edilson Carvalho Burger, Dietrich Flohrschuetz, Gerhard Hubert Herrmann Lenthe, Hans-Rudolf Stolberg-Wernigerode, Alexander Graf zu Wollersen, Thomas Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Studies on the utilization and conservation of soil in the eastern amazon region p. 199-216 : graph., tab. Availability: No items available.

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