The water deficit and the practice of agriculture is one of the challenges for many of our African villages. It is thus, with the aim of increasing the production of the farmers of the commune of Dargala Arrondissement of the Far North in Cameroon, case was made these studies. Under an arid soil in dry season and an acceptable rainfall in rainy season, we thought about the method to keep the excess rainfall received during the rainy season. In order to accompany our farmer parents during the period where this commodity (water) is scarce, but where it is most needed. That the realization of the agricultural installations is thus one of the multiple solutions to mitigate this situation. This is our way to contribute to rural development.