Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/1342/en

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preferably with the supply of warm air. In order to locate it again after a year in the soil, old linen sacks, flat, thin-walled wooden vegetable crates, or drainage clay pipes — into which the mass is packed — are often used. In the latter case one obtains a largely humified black mass.