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Organic Agriculture
Organic crop production : ambitions and limitations / (Acc. 3739) [electronic resource] / edited by Holger Kirchmann, Lars Bergstrom.

by Kirchmann, Holger | Bergstrom, Lars | SpringerLink (Online service).

Source: Springer eBooks.Material type: Text Text; Format: electronic Publication details: Dordrecht : Springer Netherlands, 2008Availability: Items available for loan: 4 Call number: 631.584 KIR, ...

Books on Agriculture
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Nutrients in organic farming - are there advantages from the exclusive use of organic manures and untreated minerals?/ Holger Kirchmann and Megan H Ryan

by Kirchmann Holger and Ryan Megan H.

Material type: Text Text; Format: print ; Literary form: Not fiction Publication details: Australia Department of Soil Sciences 2004Availability: Items available for loan: 2 Call number: 631.86 KIR, ...

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