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500 - Naturwissenschaften und Mathematik (1)
500 - Naturwissenschaften und Mathematik::550 - Geowissenschaften (1)
Gartenbauliche Substratversuche (1)
horticultural substrate-experiments (1)
Nachhaltige Substratproduktion (1)
Nachwachsende Substratrohstoffe (1)
peat substitution (1)
Renewable raw materials for horticultural substrates (1)
sustainable production of horticultural substrates (1)
Torfersatz (1)