Created by Pascal Manon, in the years 1889 on the site of a farm, at the crossroads of the plan of Robion, the fertilizer factory "Manon" was exploited until 1988. It used leather waste in from the Aveyron, Rodez especially and had been taken over by a flower company (Isère) before closing.

Lithograph poster advertising a brand of cattle feeds. Printed by Stentor

Potassium, an element of high mobility, plays an important role in the synthesis, translocation and accumulation of sugars in berries and perennials. It is involved in the neutralization of organic acids, playing an important role in the acidity and pH of must and wine. It participates in the water economy, promotes its absorption by the roots

Boiled Michel Perret: water 100 liters; copper sulfate, 2 kilos; lime, 2 kilos; molasses, 2 kilos. The latter seems more resilient than others to the action of rain.

Emile PUZENAT est né en 1841 à Bourbon-Lancy (Saône-et-Loire), il est établi comme forgeron et fabrique des appareils de culture. En 1874, il invente la Herse en Z qui fut le point de départ d’une  fulgurante ascension.