DETAILED NOTES ON MULTI-NUTRIENT FERTILIZER MIX

[eight] Nicolas Théodore de Saussure and scientific colleagues at time had been fast to disprove the simplifications of von Liebig. Distinguished researchers whom von Liebig drew have been Carl Ludwig Sprenger and Hermann Hellriegel. Within this subject, a 'awareness erosion'[9] befell, partly pushed by an intermingling of economics and investigat