Additive composition for ensilaging chopped green lucern
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Plate structure for contacting material phases particularly in columns
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Method and apparatus for selected gathering industrially utilizable plant parts remaining at the plant harvesting particularly corn-cob
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Method for preparing metal helates based upon lignocellulose
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Metal chelates, process for the preparation of metal chelates based on lignocellulose with nitric acid oxidation, and the use thereof as animal feed, premix or artificial fertiliser