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How effective are ‘Effective microorganisms® (EM)’? Results from a field study in temperate climate 21
Mayer, Jochen; Scheid, Susanne; Widmer, Franco; Fließbach, Andreas; Oberholzer, Hans-Rudolf.
Effective microorganisms® (EM) is a microbial inoculant promoted to stimulate plant growth and soil fertility in agriculture. In our study we investigated the effects of EM on crop yields and soil microbial parameters in a 4-year field experiment under organic management (2003–2006) in Zurich, Switzerland. Treatments of the EM preparations (i) the spraying agent EMA, (ii) EMA with the EM enriched organic substrate Bokashi and (iii) EMA with Bokashi and farmyard manure were applied in each year. As controls to treatments (i)–(iii) the same treatments were included with sterilised EM preparations and a control without EM application. Crop yields in each year and the soil microbiological parameters soil respiration, microbial biomass (SIR, CFE), dehydrogenase...
Tipo: Journal paper Palavras-chave: Soil biology.
Ano: 2010 URL: http://orgprints.org/17863/1/Mayer%2Detal%2D2010see%2Dfront%2Dmatter.pdf
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How effective are ‘Effective Microorganisms’? Results from an organic farming field experiment 21
Mayer, Jochen; Scheid, Susanne; Oberholzer, Hans-Rudolf.
The effectiveness of ‘Effective Microorganisms’ (EM) was investigated in a four years field experiment (2003-2006) at Zurich, Switzerland. The experiment was designed to enable clear differentiation between effects of the microorganisms in the EM treatments (Bokashi and EMA) and its substrate (sterilized treatments). Crop yields and soil microbiological parameters as soil respiration and microbial biomass were determined. The EM treatments showed no effect on yield and soil microorganisms which were caused by the EM microorganisms. Observed effects could be related to the effect of the carrier substrate of the EM products. The sampling time showed stronger effects on soil microbial biomass and soil respiration compared to the effect of the treatments....
Tipo: Conference paper, poster, etc. Palavras-chave: Farm nutrient management.
Ano: 2008 URL: http://orgprints.org/14838/1/Mayer_14838_ed.doc
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Wirkungen von ‚Effektiven Mikroorganismen EM’ auf pflanzliche und bodenmikrobiologische Parameter im Feldversuch 21
Mayer, Jochen; Scheid, Susanne; Widmer, Franco; Fließbach, Andreas; Oberholzer, Hansruedi.
The effectiveness of the bio-fertilizer ‚Effective Microorganisms’ (EM) was investigated in a four years field experiment (2003-2006) at Zürich, Switzerland. The experiment was arranged to separate the effect of the microorganisms in the EM treatments (Bokashi and EMA) from its substrate (sterilized treatments). Crop yields and soil microbiological parameters as soil respiration and microbial biomass were determined. The EM treatments showed no effect on yield and soil microbiology which were caused by the EM microorganisms. Observed effects could be related to the effect of the carrier substrate of the EM preparation. The sampling time showed stronger ef-fects on soil microbial biomass (SIR) and soil respiration compared to the effect of the treatments....
Tipo: Conference paper, poster, etc. Palavras-chave: Soil biology.
Ano: 2007 URL: http://orgprints.org/9691/1/9691_Mayer_Vortrag.pdf
Registros recuperados: 3
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