AN UNBIASED VIEW OF BEST FERTILIZER DEALS

[8] Nicolas Théodore de Saussure and scientific colleagues at some time have been brief to disprove the simplifications of von Liebig. Distinguished scientists whom von Liebig drew have been Carl Ludwig Sprenger and Hermann Hellriegel. Within this field, a 'know-how erosion'[nine] occurred, partly pushed by an intermingling of economics and study.