Den Wert von Gründüngung kennen - Mit Gründüngung für einen reichhaltigeren fruchtbaren Boden
18,36 €
This book is a continuation of how you can keep feeding the land. Not many people know about green manuring. When I spoke about this to a horticulturalist friend, he said in a really tired sort of way - oh, you so boring botanists, whatever will you think up next?.
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