WINTER FERTILIZER DEALS FOR DUMMIES

[8] Nicolas Théodore de Saussure and scientific colleagues at the time were rapid to disprove the simplifications of von Liebig. Well known researchers whom von Liebig drew have been Carl Ludwig Sprenger and Hermann Hellriegel. On this field, a 'know-how erosion'[9] took place, partly pushed by an intermingling of economics and investigation.[10]