Meike Oltmanns scite author profile

The main objective of the second Darmstadt trial was to investigate the effects of vegetal fertilizers on soil properties and crop yield in comparison with farmyard manure. The experiment consisted of seven treatments: (i) inorganic fertilizers, (ii) vegetal organic fertilizers, (iii) vegetal organic fertilizers equivalent to biodynamic preparations, (iv) cattle farmyard manure, (v) cattle farmyard manure with addition of biodynamic preparations, (vi) high level of cattle farmyard manure, and (vii) high level of cattle farmyard manure with biodynamic preparations.

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Microbial residue indices down the soil profile after long-term addition of farmyard manure and mineral fertilizer to a sandy soil

Sradnick

Oltmanns²,

Raupp³

et al. 2014

Geoderma

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Microbial biomass and activity down the soil profile after long-term addition of farmyard manure to a sandy soil

Sradnick

Oltmanns²,

Raupp³

et al. 2016

Org. Agr.

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Meike Oltmanns

Changes in functional diversity of the soil microbial community in a heterogeneous sandy soil after long-term fertilization with cattle manure and mineral fertilizer

Effect of biodynamic soil amendments on microbial communities in comparison with inorganic fertilization

Changes in microbial biomass indices after 10 years of farmyard manure and vegetal fertilizer application to a sandy soil under organic management

Microbial residue indices down the soil profile after long-term addition of farmyard manure and mineral fertilizer to a sandy soil

Microbial biomass and activity down the soil profile after long-term addition of farmyard manure to a sandy soil

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