Term for the practice in agriculture, including viticulture, of compensating for a deficiency in the soil by supplying nutrients and Spurenelementetrace elements of a mineral and organic nature. The name is derived from "manure" (dung from herbivores, especially ungulates). This oldest form of fertiliser was already being used six millennia ago. Targeted fertilisation began in the 18th century with wood ash, lime and marl. Around 1840, the German chemist Justus Liebig (1803-1873) demonstrated the growth-promoting effect of potassium, phosphorus and nitrogen. In his major work "Organic Chemistry in its Application to Agriculture and Physiology", he wrote: " The soil must fully recover what is taken from it through harvesting.
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Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen