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Items where Year is 1993

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Group by: No Grouping | Authors | Refereed | EPrint Type

Number of eprints: 5.

Peer-reviewed and accepted

Aguiar, Jozeneida Lúcia Pimenta de (1993) Análise da eficiência técnica em zonas agroecológicas brasileiras. [Analysis of technical efficiency in Brazilian agro-ecological zones.] Masters thesis, Universidade Federal de Viçosa . .

Mäder, P.; Pfiffner, L.; Niggli, U.; Balzer, U.; Balzer, F.; Plochberger, A.; Velimirov, A. and Besson, J.-M. (1993) Effect of three farming systems (bio-dynamic, bio-organic, conventional) on yield and quality of beetroot (Beta vulgaris L. var. esculenta L.) in a seven year crop rotation. Acta Horticulturae, 339, pp. 11-31.

Mäder, P.; Vierheilig, H.; Alt, M. and Wiemken, A. (1993) Boundaries between soil compartments formed by microporous hydrophobic membranes (GORE-TEX®) can be crossed by vesicular-arbuscular mycorrhizal fungi but not by ions in the soil solution. Plant and Soil, 152, pp. 201-206.

Not peer-reviewed

Freyer, B. and Horisberger, A. (1993) Statistik der biologisch wirtschaftenden Landwirtschaftsbetriebe der Schweiz 1993. Forschungsinstitut für biologischen Landbau FiBL, Frick, Schweiz und Vereinigung Schweizer Biolandbauorganisationen VSBLO, Basel, Schweiz .

Kügler, Michael (1993) Interview mit Georg E. Siebeneicher. , Ulm. [Unpublished]

This list was generated on Thu Sep 19 19:58:36 2019 CEST.