... compensation du sol1. INTRODUCTIONDifferent authors, [7, 11, 23] have underlined the importance of climatic conditions operating on the tree seedlings during thefirst year of planting on the land. ... regard to individuals in the sameorientation planted on normal banks, that is to say, the micro-basin originates an increase in soil water content [11, 24] in the planting area, so preventing water ... thelack of water, especially during the summer months [3, 10, 19,29]. This is the reason why the introduction of seedlings linkedto the site preparation focused on concentrating runoff wateron...