• Physical quality
• Organic and biological quality
• Quality of its organo-mineral complex
• Chemical content
• Evolution status and general comments on soil and limiting factors

To decide the technical improvements : maintenance; crop rotation; choice of species, rootstock and variety; choice and supply of mineral and organic amendments; choice and supply of mineral fertilizers.

So, soil is no longer considered as a support for crops, but as a component with a major impact on quantity and quality of crop

Read our article in the " oenologues " magazine; soil profile (Yvan GAUTRONNEAU)
» » http://www.isara.fr/fr/profilcultural/default.htm