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Biodynamic Research References
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Niggli, U.
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1995
Alfӧldi, T.
,
Mader, P.
,
Besson, J. M.
, &
Niggli, U.
. (1995).
DOK-trial: Long-term effects of bio-dynamic, bio-organic and conventional farming systems on soil conditions, yield and product quality
.
1st Meeting on Fertilization Systems in Organic Farming
. Darmstadt.
