This experiment has been conducted on a shallow calcareous clay soil during the season 1995-96.
Boutahar, K., Dimanche, PH. 1997, 'Comparaison de 4 modalités d'installation d'un blé tendre sur les caractéristiquesphysiques et hydriques du sol', Tropiculturahttp://www.tropicultura.org/text/v15n3/116.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)